diff --git a/dwds/CHANGELOG.md b/dwds/CHANGELOG.md
index 17f414c11..7d6a5d46f 100644
--- a/dwds/CHANGELOG.md
+++ b/dwds/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 24.4.0+1
+
+### Bug Fixes:
+
+- Fix issue where DDS would fail to initialize if DWDS already had existing
+  clients.
+
 ## 24.4.0
 
 - Added support for breakpoint registering on a hot reload with the DDC library bundle format using PausePostRequests.
@@ -42,6 +49,7 @@
   libraries instead of assuming it exists in the global `window`.
 
 ## 24.3.5
+
 - Allow clients to specify the `packageConfigPath` in `LoadStrategy` class and associated providers.
 
 ## 24.3.4
@@ -126,7 +134,7 @@
 
 ## 23.1.1
 
-- Loosen `package:vm_service` constraints to allow `>=13.0.0 <15.0.0`.  - [#2329](https://github.com/dart-lang/webdev/pull/2329)
+- Loosen `package:vm_service` constraints to allow `>=13.0.0 <15.0.0`. - [#2329](https://github.com/dart-lang/webdev/pull/2329)
 
 ## 23.1.0
 
diff --git a/dwds/lib/src/injected/client.js b/dwds/lib/src/injected/client.js
index e85ffd662..47282509a 100644
--- a/dwds/lib/src/injected/client.js
+++ b/dwds/lib/src/injected/client.js
@@ -1,4 +1,4 @@
-// Generated by dart2js (, csp, intern-composite-values), the Dart to JavaScript compiler version: 3.9.0-152.0.dev.
+// Generated by dart2js (, csp, intern-composite-values), the Dart to JavaScript compiler version: 3.10.0-118.0.dev.
 // The code supports the following hooks:
 // dartPrint(message):
 //    if this function is defined it is called instead of the Dart [print]
@@ -388,6 +388,22 @@
         return J.UnknownJavaScriptObject.prototype;
       return receiver;
     },
+    getInterceptor$x(receiver) {
+      if (receiver == null)
+        return receiver;
+      if (typeof receiver != "object") {
+        if (typeof receiver == "function")
+          return J.JavaScriptFunction.prototype;
+        if (typeof receiver == "symbol")
+          return J.JavaScriptSymbol.prototype;
+        if (typeof receiver == "bigint")
+          return J.JavaScriptBigInt.prototype;
+        return receiver;
+      }
+      if (receiver instanceof A.Object)
+        return receiver;
+      return J.getNativeInterceptor(receiver);
+    },
     set$length$asx(receiver, value) {
       return J.getInterceptor$asx(receiver).set$length(receiver, value);
     },
@@ -438,6 +454,9 @@
     allMatches$2$s(receiver, a0, a1) {
       return J.getInterceptor$s(receiver).allMatches$2(receiver, a0, a1);
     },
+    asUint8List$2$x(receiver, a0, a1) {
+      return J.getInterceptor$x(receiver).asUint8List$2(receiver, a0, a1);
+    },
     cast$1$0$ax(receiver, $T1) {
       return J.getInterceptor$ax(receiver).cast$1$0(receiver, $T1);
     },
@@ -1366,7 +1385,7 @@
         return new A.NullThrownFromJavaScriptException(ex);
       if (ex instanceof A.ExceptionAndStackTrace) {
         t1 = ex.dartException;
-        return A.saveStackTrace(ex, t1 == null ? type$.Object._as(t1) : t1);
+        return A.saveStackTrace(ex, t1 == null ? A._asObject(t1) : t1);
       }
       if (typeof ex !== "object")
         return ex;
@@ -2211,6 +2230,9 @@
       this._name = t0;
       this.__late_helper$_value = null;
     },
+    _checkLength($length) {
+      return $length;
+    },
     _ensureNativeList(list) {
       var t1, result, i;
       if (type$.JSIndexable_dynamic._is(list))
@@ -2251,8 +2273,13 @@
     },
     NativeByteBuffer: function NativeByteBuffer() {
     },
+    NativeArrayBuffer: function NativeArrayBuffer() {
+    },
     NativeTypedData: function NativeTypedData() {
     },
+    _UnmodifiableNativeByteBufferView: function _UnmodifiableNativeByteBufferView(t0) {
+      this.__native_typed_data$_data = t0;
+    },
     NativeByteData: function NativeByteData() {
     },
     NativeTypedArray: function NativeTypedArray() {
@@ -2551,9 +2578,8 @@
       return testRti._is(object);
     },
     _specializedIsTest(testRti) {
-      var kind, simpleIsFn, $name, predicate, t2,
-        t1 = type$.Object;
-      if (testRti === t1)
+      var kind, simpleIsFn, $name, predicate, t1;
+      if (testRti === type$.Object)
         return A._isObject;
       if (A.isTopType(testRti))
         return A._isTop;
@@ -2579,8 +2605,8 @@
         }
       } else if (kind === 10) {
         predicate = A.createRecordTypePredicate(testRti._primary, testRti._rest);
-        t2 = predicate == null ? A._isNever : predicate;
-        return t2 == null ? t1._as(t2) : t2;
+        t1 = predicate == null ? A._isNever : predicate;
+        return t1 == null ? A._asObject(t1) : t1;
       }
       return A._generalIsTestImplementation;
     },
@@ -2616,6 +2642,8 @@
           asFn = A._asNumQ;
         else if (testRti === type$.nullable_double)
           asFn = A._asDoubleQ;
+        else if (testRti === type$.nullable_JSObject)
+          asFn = A._asJSObjectQ;
       } else if (testRti === type$.int)
         asFn = A._asInt;
       else if (testRti === type$.String)
@@ -2626,6 +2654,8 @@
         asFn = A._asNum;
       else if (testRti === type$.double)
         asFn = A._asDouble;
+      else if (testRti === type$.JSObject)
+        asFn = A._asJSObject;
       testRti._as = asFn;
       return testRti._as(object);
     },
@@ -2675,6 +2705,16 @@
         return true;
       return false;
     },
+    _isJSObjectStandalone(object) {
+      if (typeof object == "object") {
+        if (object instanceof A.Object)
+          return type$.JSObject._is(object);
+        return true;
+      }
+      if (typeof object == "function")
+        return true;
+      return false;
+    },
     _generalAsCheckImplementation(object) {
       var testRti = this;
       if (object == null) {
@@ -2804,6 +2844,18 @@
         return object;
       throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "String?"), new Error());
     },
+    _asJSObject(object) {
+      if (A._isJSObjectStandalone(object))
+        return object;
+      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "JSObject"), new Error());
+    },
+    _asJSObjectQ(object) {
+      if (object == null)
+        return object;
+      if (A._isJSObjectStandalone(object))
+        return object;
+      throw A.initializeExceptionWrapper(A._TypeError__TypeError$forType(object, "JSObject?"), new Error());
+    },
     _rtiArrayToString(array, genericContext) {
       var s, sep, i;
       for (s = "", sep = "", i = 0; i < array.length; ++i, sep = ", ")
@@ -3845,6 +3897,78 @@
       }($function, 1);
       return $.Zone__current.registerBinaryCallback$3$1(new A._wrapJsFunctionForAsync_closure($protected), type$.void, type$.int, type$.dynamic);
     },
+    _asyncStarHelper(object, bodyFunctionOrErrorCode, controller) {
+      var t1, t2, t3,
+        _s10_ = "controller";
+      if (bodyFunctionOrErrorCode === 0) {
+        t1 = controller.cancelationFuture;
+        if (t1 != null)
+          t1._completeWithValue$1(null);
+        else {
+          t1 = controller.___AsyncStarStreamController_controller_A;
+          t1 === $ && A.throwLateFieldNI(_s10_);
+          t1.close$0();
+        }
+        return;
+      } else if (bodyFunctionOrErrorCode === 1) {
+        t1 = controller.cancelationFuture;
+        if (t1 != null) {
+          t2 = A.unwrapException(object);
+          t3 = A.getTraceFromException(object);
+          t1._completeErrorObject$1(new A.AsyncError(t2, t3));
+        } else {
+          t1 = A.unwrapException(object);
+          t2 = A.getTraceFromException(object);
+          t3 = controller.___AsyncStarStreamController_controller_A;
+          t3 === $ && A.throwLateFieldNI(_s10_);
+          t3.addError$2(t1, t2);
+          controller.___AsyncStarStreamController_controller_A.close$0();
+        }
+        return;
+      }
+      type$.void_Function_int_dynamic._as(bodyFunctionOrErrorCode);
+      if (object instanceof A._IterationMarker) {
+        if (controller.cancelationFuture != null) {
+          bodyFunctionOrErrorCode.call$2(2, null);
+          return;
+        }
+        t1 = object.state;
+        if (t1 === 0) {
+          t1 = object.value;
+          t2 = controller.___AsyncStarStreamController_controller_A;
+          t2 === $ && A.throwLateFieldNI(_s10_);
+          t2.add$1(0, controller.$ti._precomputed1._as(t1));
+          A.scheduleMicrotask(new A._asyncStarHelper_closure(controller, bodyFunctionOrErrorCode));
+          return;
+        } else if (t1 === 1) {
+          t1 = controller.$ti._eval$1("Stream<1>")._as(type$.Stream_dynamic._as(object.value));
+          t2 = controller.___AsyncStarStreamController_controller_A;
+          t2 === $ && A.throwLateFieldNI(_s10_);
+          t2.addStream$2$cancelOnError(t1, false).then$1$1(new A._asyncStarHelper_closure0(controller, bodyFunctionOrErrorCode), type$.Null);
+          return;
+        }
+      }
+      A._awaitOnObject(object, bodyFunctionOrErrorCode);
+    },
+    _streamOfController(controller) {
+      var t1 = controller.___AsyncStarStreamController_controller_A;
+      t1 === $ && A.throwLateFieldNI("controller");
+      return new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>"));
+    },
+    _AsyncStarStreamController$(body, $T) {
+      var t1 = new A._AsyncStarStreamController($T._eval$1("_AsyncStarStreamController<0>"));
+      t1._AsyncStarStreamController$1(body, $T);
+      return t1;
+    },
+    _makeAsyncStarStreamController(body, $T) {
+      return A._AsyncStarStreamController$(body, $T);
+    },
+    _IterationMarker_yieldStar(values) {
+      return new A._IterationMarker(values, 1);
+    },
+    _IterationMarker_yieldSingle(value) {
+      return new A._IterationMarker(value, 0);
+    },
     AsyncError_defaultStackTrace(error) {
       var stackTrace;
       if (type$.Error._is(error)) {
@@ -4144,21 +4268,12 @@
       t1 = $.Zone__current;
       t1.scheduleMicrotask$1(t1.bindCallbackGuarded$1(callback));
     },
-    Stream_Stream$value(value, $T) {
-      var _null = null,
-        t1 = $T._eval$1("_AsyncStreamController<0>"),
-        t2 = new A._AsyncStreamController(_null, _null, _null, _null, t1);
-      t2._add$1(value);
-      t2._closeUnchecked$0();
-      return new A._ControllerStream(t2, t1._eval$1("_ControllerStream<1>"));
-    },
     StreamIterator_StreamIterator(stream, $T) {
       A.checkNotNullable(stream, "stream", type$.Object);
       return new A._StreamIterator($T._eval$1("_StreamIterator<0>"));
     },
-    StreamController_StreamController(onCancel, onListen, sync, $T) {
-      var _null = null;
-      return sync ? new A._SyncStreamController(onListen, _null, _null, onCancel, $T._eval$1("_SyncStreamController<0>")) : new A._AsyncStreamController(onListen, _null, _null, onCancel, $T._eval$1("_AsyncStreamController<0>"));
+    StreamController_StreamController(onCancel, onListen, onResume, sync, $T) {
+      return sync ? new A._SyncStreamController(onListen, null, onResume, onCancel, $T._eval$1("_SyncStreamController<0>")) : new A._AsyncStreamController(onListen, null, onResume, onCancel, $T._eval$1("_AsyncStreamController<0>"));
     },
     _runGuarded(notificationHandler) {
       var e, s, exception;
@@ -4172,6 +4287,9 @@
         $.Zone__current.handleUncaughtError$2(e, s);
       }
     },
+    _AddStreamState_makeErrorHandler(controller) {
+      return new A._AddStreamState_makeErrorHandler_closure(controller);
+    },
     _BufferingStreamSubscription__registerDataHandler(zone, handleData, $T) {
       var t1 = handleData == null ? A.async___nullDataHandler$closure() : handleData;
       return zone.registerUnaryCallback$2$1(t1, type$.void, $T);
@@ -4188,7 +4306,7 @@
     _nullDataHandler(value) {
     },
     _nullErrorHandler(error, stackTrace) {
-      type$.Object._as(error);
+      A._asObject(error);
       type$.StackTrace._as(stackTrace);
       $.Zone__current.handleUncaughtError$2(error, stackTrace);
     },
@@ -4254,14 +4372,14 @@
         $.Zone__current = old;
       }
     },
-    _rootRunBinary($self, $parent, zone, f, arg1, arg2, $R, T1, T2) {
+    _rootRunBinary($self, $parent, zone, f, arg1, arg2, $R, $T1, $T2) {
       var old, t1;
       type$.nullable_Zone._as($self);
       type$.nullable_ZoneDelegate._as($parent);
       type$.Zone._as(zone);
-      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
+      $R._eval$1("@<0>")._bind$1($T1)._bind$1($T2)._eval$1("1(2,3)")._as(f);
+      $T1._as(arg1);
+      $T2._as(arg2);
       t1 = $.Zone__current;
       if (t1 === zone)
         return f.call$2(arg1, arg2);
@@ -4280,8 +4398,8 @@
     _rootRegisterUnaryCallback($self, $parent, zone, f, $R, $T) {
       return $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f);
     },
-    _rootRegisterBinaryCallback($self, $parent, zone, f, $R, T1, T2) {
-      return $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
+    _rootRegisterBinaryCallback($self, $parent, zone, f, $R, $T1, $T2) {
+      return $R._eval$1("@<0>")._bind$1($T1)._bind$1($T2)._eval$1("1(2,3)")._as(f);
     },
     _rootErrorCallback($self, $parent, zone, error, stackTrace) {
       type$.nullable_StackTrace._as(stackTrace);
@@ -4391,6 +4509,45 @@
     _wrapJsFunctionForAsync_closure: function _wrapJsFunctionForAsync_closure(t0) {
       this.$protected = t0;
     },
+    _asyncStarHelper_closure: function _asyncStarHelper_closure(t0, t1) {
+      this.controller = t0;
+      this.bodyFunction = t1;
+    },
+    _asyncStarHelper_closure0: function _asyncStarHelper_closure0(t0, t1) {
+      this.controller = t0;
+      this.bodyFunction = t1;
+    },
+    _AsyncStarStreamController: function _AsyncStarStreamController(t0) {
+      var _ = this;
+      _.___AsyncStarStreamController_controller_A = $;
+      _.isSuspended = false;
+      _.cancelationFuture = null;
+      _.$ti = t0;
+    },
+    _AsyncStarStreamController__resumeBody: function _AsyncStarStreamController__resumeBody(t0) {
+      this.body = t0;
+    },
+    _AsyncStarStreamController__resumeBody_closure: function _AsyncStarStreamController__resumeBody_closure(t0) {
+      this.body = t0;
+    },
+    _AsyncStarStreamController_closure0: function _AsyncStarStreamController_closure0(t0) {
+      this._resumeBody = t0;
+    },
+    _AsyncStarStreamController_closure1: function _AsyncStarStreamController_closure1(t0, t1) {
+      this.$this = t0;
+      this._resumeBody = t1;
+    },
+    _AsyncStarStreamController_closure: function _AsyncStarStreamController_closure(t0, t1) {
+      this.$this = t0;
+      this.body = t1;
+    },
+    _AsyncStarStreamController__closure: function _AsyncStarStreamController__closure(t0) {
+      this.body = t0;
+    },
+    _IterationMarker: function _IterationMarker(t0, t1) {
+      this.value = t0;
+      this.state = t1;
+    },
     AsyncError: function AsyncError(t0, t1) {
       this.error = t0;
       this.stackTrace = t1;
@@ -4560,6 +4717,21 @@
       this._async$_target = t0;
       this.$ti = t1;
     },
+    _AddStreamState: function _AddStreamState() {
+    },
+    _AddStreamState_makeErrorHandler_closure: function _AddStreamState_makeErrorHandler_closure(t0) {
+      this.controller = t0;
+    },
+    _AddStreamState_cancel_closure: function _AddStreamState_cancel_closure(t0) {
+      this.$this = t0;
+    },
+    _StreamControllerAddStreamState: function _StreamControllerAddStreamState(t0, t1, t2, t3) {
+      var _ = this;
+      _._varData = t0;
+      _.addStreamFuture = t1;
+      _.addSubscription = t2;
+      _.$ti = t3;
+    },
     _BufferingStreamSubscription: function _BufferingStreamSubscription() {
     },
     _BufferingStreamSubscription_asFuture_closure: function _BufferingStreamSubscription_asFuture_closure(t0, t1) {
@@ -4953,7 +5125,7 @@
     },
     _LinkedHashSetCell: function _LinkedHashSetCell(t0) {
       this._element = t0;
-      this._collection$_previous = this._collection$_next = null;
+      this._collection$_next = null;
     },
     _LinkedHashSetIterator: function _LinkedHashSetIterator(t0, t1, t2) {
       var _ = this;
@@ -5927,7 +6099,7 @@
     Error__throw(error, stackTrace) {
       error = A.initializeExceptionWrapper(error, new Error());
       if (error == null)
-        error = type$.Object._as(error);
+        error = A._asObject(error);
       error.stack = stackTrace.toString$0(0);
       throw error;
     },
@@ -6276,8 +6448,8 @@
       B.JSArray_methods.add$1(parts, penultimateString);
       B.JSArray_methods.add$1(parts, ultimateString);
     },
-    Map_castFrom(source, $K, $V, K2, V2) {
-      return new A.CastMap(source, $K._eval$1("@<0>")._bind$1($V)._bind$1(K2)._bind$1(V2)._eval$1("CastMap<1,2,3,4>"));
+    Map_castFrom(source, $K, $V, $K2, $V2) {
+      return new A.CastMap(source, $K._eval$1("@<0>")._bind$1($V)._bind$1($K2)._bind$1($V2)._eval$1("CastMap<1,2,3,4>"));
     },
     Object_hash(object1, object2, object3, object4) {
       var t1;
@@ -7521,24 +7693,24 @@
       _.___Uri_hashCode_FI = _.___Uri_pathSegments_FI = _.___Uri__text_FI = $;
     },
     JSAnyUtilityExtension_instanceOfString(_this, constructorName) {
-      var parts, $constructor, t1, t2, _i, t3;
+      var parts, $constructor, t1, _i, t2;
       if (constructorName.length === 0)
         return false;
       parts = constructorName.split(".");
       $constructor = init.G;
-      for (t1 = parts.length, t2 = type$.nullable_JSObject, _i = 0; _i < t1; ++_i, $constructor = t3) {
-        t3 = $constructor[parts[_i]];
-        t2._as(t3);
-        if (t3 == null)
+      for (t1 = parts.length, _i = 0; _i < t1; ++_i, $constructor = t2) {
+        t2 = $constructor[parts[_i]];
+        A._asJSObjectQ(t2);
+        if (t2 == null)
           return false;
       }
       return _this instanceof type$.JavaScriptFunction._as($constructor);
     },
     FutureOfJSAnyToJSPromise_get_toJS(_this, $T) {
-      return type$.JSObject._as(new init.G.Promise(A._functionToJS2(new A.FutureOfJSAnyToJSPromise_get_toJS_closure(_this))));
+      return A._asJSObject(new init.G.Promise(A._functionToJS2(new A.FutureOfJSAnyToJSPromise_get_toJS_closure(_this))));
     },
     FutureOfVoidToJSPromise_get_toJS(_this) {
-      return type$.JSObject._as(new init.G.Promise(A._functionToJS2(new A.FutureOfVoidToJSPromise_get_toJS_closure(_this))));
+      return A._asJSObject(new init.G.Promise(A._functionToJS2(new A.FutureOfVoidToJSPromise_get_toJS_closure(_this))));
     },
     FutureOfJSAnyToJSPromise_get_toJS_closure: function FutureOfJSAnyToJSPromise_get_toJS_closure(t0) {
       this._this = t0;
@@ -7612,6 +7784,17 @@
         return callback.call$1(arg1);
       return callback.call$0();
     },
+    _callDartFunctionFast3(callback, arg1, arg2, arg3, $length) {
+      type$.Function._as(callback);
+      A._asInt($length);
+      if ($length >= 3)
+        return callback.call$3(arg1, arg2, arg3);
+      if ($length === 2)
+        return callback.call$2(arg1, arg2);
+      if ($length === 1)
+        return callback.call$1(arg1);
+      return callback.call$0();
+    },
     _noJsifyRequired(o) {
       return o == null || A._isBool(o) || typeof o == "number" || typeof o == "string" || type$.Int8List._is(o) || type$.Uint8List._is(o) || type$.Uint8ClampedList._is(o) || type$.Int16List._is(o) || type$.Uint16List._is(o) || type$.Int32List._is(o) || type$.Uint32List._is(o) || type$.Float32List._is(o) || type$.Float64List._is(o) || type$.ByteBuffer._is(o) || type$.ByteData._is(o);
     },
@@ -7680,11 +7863,11 @@
       A.checkTypeBound($T, type$.num, "T", "max");
       return Math.max($T._as(a), $T._as(b));
     },
-    Random_Random(seed) {
-      return B.C__JSRandom;
-    },
     _JSRandom: function _JSRandom() {
     },
+    _JSSecureRandom: function _JSSecureRandom(t0) {
+      this._math$_buffer = t0;
+    },
     AsyncMemoizer: function AsyncMemoizer(t0, t1) {
       this._async_memoizer$_completer = t0;
       this.$ti = t1;
@@ -8697,6 +8880,10 @@
       this.iterator = t1;
       this.$ti = t2;
     },
+    RequestAbortedException: function RequestAbortedException(t0, t1) {
+      this.message = t0;
+      this.uri = t1;
+    },
     BaseClient: function BaseClient() {
     },
     BaseRequest: function BaseRequest() {
@@ -8707,39 +8894,162 @@
     },
     BaseResponse: function BaseResponse() {
     },
-    _extension_0_get_responseHeaders(_this) {
-      var _i, header, splitIdx, key, value,
-        t1 = type$.String,
-        headers = A.LinkedHashMap_LinkedHashMap$_empty(t1, t1),
-        headersList = A._asString(_this.getAllResponseHeaders()).split("\r\n");
-      for (t1 = headersList.length, _i = 0; _i < t1; ++_i) {
-        header = headersList[_i];
-        if (header.length === 0)
-          continue;
-        splitIdx = B.JSString_methods.indexOf$1(header, ": ");
-        if (splitIdx === -1)
-          continue;
-        key = B.JSString_methods.substring$2(header, 0, splitIdx).toLowerCase();
-        value = B.JSString_methods.substring$1(header, splitIdx + 2);
-        if (headers.containsKey$1(key))
-          headers.$indexSet(0, key, A.S(headers.$index(0, key)) + ", " + value);
-        else
-          headers.$indexSet(0, key, value);
+    _rethrowAsClientException(e, st, request) {
+      var t1, message;
+      if (type$.JSObject._is(e))
+        t1 = A._asString(e.name) === "AbortError";
+      else
+        t1 = false;
+      if (t1)
+        A.Error_throwWithStackTrace(new A.RequestAbortedException("Request aborted by `abortTrigger`", request.url), st);
+      if (!(e instanceof A.ClientException)) {
+        message = J.toString$0$(e);
+        if (B.JSString_methods.startsWith$1(message, "TypeError: "))
+          message = B.JSString_methods.substring$1(message, 11);
+        e = new A.ClientException(message, request.url);
       }
-      return headers;
+      A.Error_throwWithStackTrace(e, st);
+    },
+    _readBody(request, response) {
+      return A._readBody$body(request, response);
+    },
+    _readBody$body(request, response) {
+      var $async$_readBody = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
+        switch ($async$errorCode) {
+          case 2:
+            $async$next = $async$nextWhenCanceled;
+            $async$goto = $async$next.pop();
+            break;
+          case 1:
+            $async$errorStack.push($async$result);
+            $async$goto = $async$handler;
+        }
+        while (true)
+          switch ($async$goto) {
+            case 0:
+              // Function start
+              _box_0 = {};
+              t1 = A._asJSObjectQ(response.body);
+              bodyStreamReader = t1 == null ? null : A._asJSObject(t1.getReader());
+              if (bodyStreamReader == null) {
+                // goto return
+                $async$goto = 1;
+                break;
+              }
+              isDone = false;
+              _box_0.isError = false;
+              $async$handler = 4;
+              t1 = type$.NativeUint8List, t2 = type$.JSObject;
+            case 7:
+              // for condition
+              // trivial condition
+              $async$goto = 9;
+              return A._asyncStarHelper(A.promiseToFuture(A._asJSObject(bodyStreamReader.read()), t2), $async$_readBody, $async$controller);
+            case 9:
+              // returning from await.
+              chunk = $async$result;
+              if (A._asBool(chunk.done)) {
+                isDone = true;
+                // goto after for
+                $async$goto = 8;
+                break;
+              }
+              t3 = chunk.value;
+              t3.toString;
+              $async$goto = 10;
+              $async$nextWhenCanceled = [1, 5];
+              return A._asyncStarHelper(A._IterationMarker_yieldSingle(t1._as(t3)), $async$_readBody, $async$controller);
+            case 10:
+              // after yield
+              // goto for condition
+              $async$goto = 7;
+              break;
+            case 8:
+              // after for
+              $async$next.push(6);
+              // goto finally
+              $async$goto = 5;
+              break;
+            case 4:
+              // catch
+              $async$handler = 3;
+              $async$exception = $async$errorStack.pop();
+              e = A.unwrapException($async$exception);
+              st = A.getTraceFromException($async$exception);
+              _box_0.isError = true;
+              A._rethrowAsClientException(e, st, request);
+              $async$next.push(6);
+              // goto finally
+              $async$goto = 5;
+              break;
+            case 3:
+              // uncaught
+              $async$next = [2];
+            case 5:
+              // finally
+              $async$handler = 2;
+              $async$goto = !isDone ? 11 : 12;
+              break;
+            case 11:
+              // then
+              $async$handler = 14;
+              $async$goto = 17;
+              return A._asyncStarHelper(A.promiseToFuture(A._asJSObject(bodyStreamReader.cancel()), type$.nullable_Object).catchError$2$test(new A._readBody_closure(), new A._readBody_closure0(_box_0)), $async$_readBody, $async$controller);
+            case 17:
+              // returning from await.
+              $async$handler = 2;
+              // goto after finally
+              $async$goto = 16;
+              break;
+            case 14:
+              // catch
+              $async$handler = 13;
+              $async$exception1 = $async$errorStack.pop();
+              e0 = A.unwrapException($async$exception1);
+              st0 = A.getTraceFromException($async$exception1);
+              if (!_box_0.isError)
+                A._rethrowAsClientException(e0, st0, request);
+              // goto after finally
+              $async$goto = 16;
+              break;
+            case 13:
+              // uncaught
+              // goto rethrow
+              $async$goto = 2;
+              break;
+            case 16:
+              // after finally
+            case 12:
+              // join
+              // goto the next finally handler
+              $async$goto = $async$next.pop();
+              break;
+            case 6:
+              // after finally
+            case 1:
+              // return
+              return A._asyncStarHelper(null, 0, $async$controller);
+            case 2:
+              // rethrow
+              return A._asyncStarHelper($async$errorStack.at(-1), 1, $async$controller);
+          }
+      });
+      var $async$goto = 0,
+        $async$controller = A._makeAsyncStarStreamController($async$_readBody, type$.List_int),
+        $async$nextWhenCanceled, $async$handler = 2, $async$errorStack = [], $async$next = [], isDone, chunk, e, st, e0, st0, t2, t3, exception, _box_0, t1, bodyStreamReader, $async$exception, $async$exception1;
+      return A._streamOfController($async$controller);
     },
     BrowserClient: function BrowserClient(t0) {
-      this._xhrs = t0;
       this.withCredentials = false;
+      this._openRequestAbortControllers = t0;
     },
-    BrowserClient_send_closure: function BrowserClient_send_closure(t0, t1, t2) {
-      this.xhr = t0;
-      this.completer = t1;
-      this.request = t2;
+    BrowserClient_send_closure: function BrowserClient_send_closure(t0) {
+      this.headers = t0;
     },
-    BrowserClient_send_closure0: function BrowserClient_send_closure0(t0, t1) {
-      this.completer = t0;
-      this.request = t1;
+    _readBody_closure: function _readBody_closure() {
+    },
+    _readBody_closure0: function _readBody_closure0(t0) {
+      this._box_0 = t0;
     },
     ByteStream: function ByteStream(t0) {
       this._stream = t0;
@@ -8747,6 +9057,9 @@
     ByteStream_toBytes_closure: function ByteStream_toBytes_closure(t0) {
       this.completer = t0;
     },
+    ClientException$(message, uri) {
+      return new A.ClientException(message, uri);
+    },
     ClientException: function ClientException(t0, t1) {
       this.message = t0;
       this.uri = t1;
@@ -9325,11 +9638,11 @@
     SseClient$(serverUrl, debugKey) {
       var t3, t4, t5, _null = null,
         t1 = type$.String,
-        t2 = A.StreamController_StreamController(_null, _null, false, t1);
-      t1 = A.StreamController_StreamController(_null, _null, false, t1);
+        t2 = A.StreamController_StreamController(_null, _null, _null, false, t1);
+      t1 = A.StreamController_StreamController(_null, _null, _null, false, t1);
       t3 = A.Logger_Logger("SseClient");
       t4 = $.Zone__current;
-      t5 = A.generateUuidV4();
+      t5 = A.generateId();
       t1 = new A.SseClient(debugKey + "-" + t5, t2, t1, t3, new A._AsyncCompleter(new A._Future(t4, type$._Future_void), type$._AsyncCompleter_void));
       t1.SseClient$2$debugKey(serverUrl, debugKey);
       return t1;
@@ -9363,21 +9676,6 @@
       this.$this = t1;
       this.message = t2;
     },
-    generateUuidV4() {
-      var t1 = new A.generateUuidV4_printDigits(),
-        t2 = new A.generateUuidV4_bitsDigits(t1, new A.generateUuidV4_generateBits(B.C__JSRandom)),
-        t3 = B.C__JSRandom.nextInt$1(4);
-      return A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4)) + "-" + A.S(t2.call$2(16, 4)) + "-4" + A.S(t2.call$2(12, 3)) + "-" + A.S(t1.call$2(8 + t3, 1)) + A.S(t2.call$2(12, 3)) + "-" + A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4)) + A.S(t2.call$2(16, 4));
-    },
-    generateUuidV4_generateBits: function generateUuidV4_generateBits(t0) {
-      this.random = t0;
-    },
-    generateUuidV4_printDigits: function generateUuidV4_printDigits() {
-    },
-    generateUuidV4_bitsDigits: function generateUuidV4_bitsDigits(t0, t1) {
-      this.printDigits = t0;
-      this.generateBits = t1;
-    },
     GuaranteeChannel$(innerStream, innerSink, allowSinkErrors, $T) {
       var t2, t1 = {};
       t1.innerStream = innerStream;
@@ -9432,8 +9730,7 @@
     },
     RNG: function RNG() {
     },
-    MathRNG: function MathRNG(t0) {
-      this._rnd = t0;
+    CryptoRNG: function CryptoRNG() {
     },
     UuidV1: function UuidV1(t0) {
       this.goptions = t0;
@@ -9485,7 +9782,7 @@
     BrowserWebSocket_connect(url, protocols) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.BrowserWebSocket),
-        $async$returnValue, t1, t2, t3, t4, webSocket, browserSocket, webSocketConnected;
+        $async$returnValue, t1, t2, t3, webSocket, browserSocket, webSocketConnected;
       var $async$BrowserWebSocket_connect = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -9500,23 +9797,21 @@
               t3 = url.toString$0(0);
               t1 = t1.Array;
               t1 = type$.JSArray_nullable_Object._as(new t1());
-              t4 = type$.JSObject;
-              webSocket = t4._as(new t2(t3, t1));
+              webSocket = A._asJSObject(new t2(t3, t1));
               webSocket.binaryType = "arraybuffer";
-              browserSocket = new A.BrowserWebSocket(webSocket, A.StreamController_StreamController(null, null, false, type$.WebSocketEvent));
+              browserSocket = new A.BrowserWebSocket(webSocket, A.StreamController_StreamController(null, null, null, false, type$.WebSocketEvent));
               t1 = new A._Future($.Zone__current, type$._Future_BrowserWebSocket);
               webSocketConnected = new A._AsyncCompleter(t1, type$._AsyncCompleter_BrowserWebSocket);
               if (A._asInt(webSocket.readyState) === 1)
                 webSocketConnected.complete$1(browserSocket);
-              else if (A._asInt(webSocket.readyState) === 2 || A._asInt(webSocket.readyState) === 3) {
-                A._asInt(webSocket.readyState);
-                webSocketConnected.completeError$1(new A.WebSocketException());
-              } else
+              else if (A._asInt(webSocket.readyState) === 2 || A._asInt(webSocket.readyState) === 3)
+                webSocketConnected.completeError$1(new A.WebSocketException("Unexpected WebSocket state: " + A._asInt(webSocket.readyState) + ", expected CONNECTING (0) or OPEN (1)"));
+              else
                 new A._EventStream(webSocket, "open", false, type$._EventStream_JSObject).get$first(0).then$1$1(new A.BrowserWebSocket_connect_closure(webSocketConnected, browserSocket), type$.void);
               t2 = type$._EventStream_JSObject;
               t3 = type$.void;
               new A._EventStream(webSocket, "error", false, t2).get$first(0).then$1$1(new A.BrowserWebSocket_connect_closure0(webSocketConnected, browserSocket), t3);
-              A._EventStreamSubscription$(webSocket, "message", type$.nullable_void_Function_JSObject._as(new A.BrowserWebSocket_connect_closure1(browserSocket)), false, t4);
+              A._EventStreamSubscription$(webSocket, "message", type$.nullable_void_Function_JSObject._as(new A.BrowserWebSocket_connect_closure1(browserSocket)), false, type$.JSObject);
               new A._EventStream(webSocket, "close", false, t2).get$first(0).then$1$1(new A.BrowserWebSocket_connect_closure2(webSocketConnected, browserSocket), t3);
               $async$returnValue = t1;
               // goto return
@@ -9549,7 +9844,7 @@
       this.browserSocket = t1;
     },
     WebSocketConnectionClosed$() {
-      return new A.WebSocketConnectionClosed();
+      return new A.WebSocketConnectionClosed("Connection Closed");
     },
     WebSocketEvent: function WebSocketEvent() {
     },
@@ -9563,17 +9858,19 @@
       this.code = t0;
       this.reason = t1;
     },
-    WebSocketException: function WebSocketException() {
+    WebSocketException: function WebSocketException(t0) {
+      this.message = t0;
     },
-    WebSocketConnectionClosed: function WebSocketConnectionClosed() {
+    WebSocketConnectionClosed: function WebSocketConnectionClosed(t0) {
+      this.message = t0;
     },
     AdapterWebSocketChannel$(webSocket) {
       var _null = null,
         t1 = $.Zone__current,
         t2 = new A.StreamChannelController(type$.StreamChannelController_nullable_Object),
         t3 = type$.nullable_Object,
-        localToForeignController = A.StreamController_StreamController(_null, _null, true, t3),
-        foreignToLocalController = A.StreamController_StreamController(_null, _null, true, t3),
+        localToForeignController = A.StreamController_StreamController(_null, _null, _null, true, t3),
+        foreignToLocalController = A.StreamController_StreamController(_null, _null, _null, true, t3),
         t4 = A._instanceType(foreignToLocalController),
         t5 = A._instanceType(localToForeignController);
       t2.__StreamChannelController__local_F = A.GuaranteeChannel$(new A._ControllerStream(foreignToLocalController, t4._eval$1("_ControllerStream<1>")), new A._StreamSinkWrapper(localToForeignController, t5._eval$1("_StreamSinkWrapper<1>")), true, t3);
@@ -9634,7 +9931,7 @@
     },
     _launchCommunicationWithDebugExtension() {
       var t1, t2;
-      type$.JSObject._as(init.G.window).addEventListener("message", A._functionToJS1(A.client___handleAuthRequest$closure()));
+      A._asJSObject(init.G.window).addEventListener("message", A._functionToJS1(A.client___handleAuthRequest$closure()));
       t1 = $.$get$serializers();
       t2 = new A.DebugInfoBuilder();
       type$.nullable_void_Function_DebugInfoBuilder._as(new A._launchCommunicationWithDebugExtension_closure()).call$1(t2);
@@ -9642,13 +9939,12 @@
     },
     _dispatchEvent(message, detail) {
       var t1 = init.G,
-        t2 = type$.JSObject,
-        $event = t2._as(new t1.CustomEvent(message, {detail: detail}));
-      A._asBool(t2._as(t1.document).dispatchEvent($event));
+        $event = A._asJSObject(new t1.CustomEvent(message, {detail: detail}));
+      A._asBool(A._asJSObject(t1.document).dispatchEvent($event));
     },
     _handleAuthRequest($event) {
       var t1,
-        data = type$.JSObject._as($event).data;
+        data = A._asJSObject($event).data;
       if (!(typeof data === "string"))
         return;
       if (A._asString(data) !== "dart-auth-request")
@@ -9670,14 +9966,14 @@
           switch ($async$goto) {
             case 0:
               // Function start
-              client = new A.BrowserClient(A.LinkedHashSet_LinkedHashSet$_empty(type$.JSObject));
+              client = new A.BrowserClient(A._setArrayType([], type$.JSArray_JSObject));
               client.withCredentials = true;
               $async$goto = 3;
               return A._asyncAwait(client._sendUnstreamed$3("GET", A.Uri_parse(authUrl), null), $async$_authenticateUser);
             case 3:
               // returning from await.
               response = $async$result;
-              $async$returnValue = B.JSString_methods.contains$1(A.encodingForCharset(A._contentTypeForHeaders(response.headers).parameters._collection$_map.$index(0, "charset")).decode$1(response.bodyBytes), "Dart Debug Authentication Success!");
+              $async$returnValue = B.JSString_methods.contains$1(A.encodingForContentTypeHeader(A._contentTypeForHeaders(response.headers)).decode$1(response.bodyBytes), "Dart Debug Authentication Success!");
               // goto return
               $async$goto = 1;
               break;
@@ -9755,8 +10051,7 @@
       return path;
     },
     _isChromium() {
-      var t1 = type$.JSObject;
-      return B.JSString_methods.contains$1(A._asString(t1._as(t1._as(init.G.window).navigator).vendor), "Google");
+      return B.JSString_methods.contains$1(A._asString(A._asJSObject(A._asJSObject(init.G.window).navigator).vendor), "Google");
     },
     _authUrl() {
       var authUrl,
@@ -9850,7 +10145,7 @@
             case 2:
               // then
               $async$goto = 4;
-              return A._asyncAwait(A.promiseToFuture(type$.JSObject._as(_this.invokeExtension("ext.flutter.disassemble", "{}")), type$.String), $async$_Debugger_maybeInvokeFlutterDisassemble);
+              return A._asyncAwait(A.promiseToFuture(A._asJSObject(_this.invokeExtension("ext.flutter.disassemble", "{}")), type$.String), $async$_Debugger_maybeInvokeFlutterDisassemble);
             case 4:
               // returning from await.
             case 3:
@@ -9902,7 +10197,7 @@
             case 2:
               // then
               $async$goto = 4;
-              return A._asyncAwait(A.promiseToFuture(type$.JSObject._as(_this.invokeExtension("ext.flutter.disassemble", "{}")), type$.String), $async$SdkDeveloperExtension_maybeInvokeFlutterDisassemble);
+              return A._asyncAwait(A.promiseToFuture(A._asJSObject(_this.invokeExtension("ext.flutter.disassemble", "{}")), type$.String), $async$SdkDeveloperExtension_maybeInvokeFlutterDisassemble);
             case 4:
               // returning from await.
             case 3:
@@ -9968,15 +10263,14 @@
       this.stackTrace = t1;
     },
     _findNonce() {
-      var t2, i, element, t3, nonceValue,
-        t1 = type$.JSObject,
-        elements = t1._as(t1._as(t1._as(init.G.window).document).querySelectorAll("script"));
-      for (t2 = type$.nullable_JSObject, i = 0; i < A._asInt(elements.length); ++i) {
-        element = t2._as(elements.item(i));
-        t3 = element == null ? t1._as(element) : element;
-        nonceValue = A._asString(t3.nonce);
-        t3 = $.$get$_noncePattern();
-        if (t3._nativeRegExp.test(nonceValue))
+      var i, element, t1, nonceValue,
+        elements = A._asJSObject(A._asJSObject(A._asJSObject(init.G.window).document).querySelectorAll("script"));
+      for (i = 0; i < A._asInt(elements.length); ++i) {
+        element = A._asJSObjectQ(elements.item(i));
+        t1 = element == null ? A._asJSObject(element) : element;
+        nonceValue = A._asString(t1.nonce);
+        t1 = $.$get$_noncePattern();
+        if (t1._nativeRegExp.test(nonceValue))
           return nonceValue;
       }
       return null;
@@ -9985,7 +10279,7 @@
       var t1, t2,
         scriptElement = $.$get$_createScript().call$0();
       scriptElement.innerHTML = "window.$dartRunMain();";
-      t1 = type$.nullable_JSObject._as(type$.JSObject._as(init.G.document).body);
+      t1 = A._asJSObjectQ(A._asJSObject(init.G.document).body);
       t1.toString;
       t2 = A.jsify(scriptElement);
       t2.toString;
@@ -10054,18 +10348,24 @@
       else
         return 255;
     },
-    encodingForCharset(charset) {
-      var t1;
-      if (charset == null)
-        return B.C_Latin1Codec;
-      t1 = A.Encoding_getByName(charset);
-      return t1 == null ? B.C_Latin1Codec : t1;
+    encodingForContentTypeHeader(contentTypeHeader) {
+      var t1,
+        charset = contentTypeHeader.parameters._collection$_map.$index(0, "charset");
+      if (contentTypeHeader.type === "application" && contentTypeHeader.subtype === "json" && charset == null)
+        return B.C_Utf8Codec;
+      if (charset != null) {
+        t1 = A.Encoding_getByName(charset);
+        if (t1 == null)
+          t1 = B.C_Latin1Codec;
+      } else
+        t1 = B.C_Latin1Codec;
+      return t1;
     },
     toUint8List(input) {
       return input;
     },
     toByteStream(stream) {
-      return stream;
+      return new A.ByteStream(stream);
     },
     wrapFormatException($name, value, body, $T) {
       var error, error0, t1, exception;
@@ -10202,6 +10502,16 @@
         index = B.JSString_methods.indexOf$2(context, text, index + 1);
       }
       return null;
+    },
+    generateId() {
+      var i,
+        chars = A.List_List$filled(6, 0, false, type$.int),
+        bits = B.C__JSRandom.nextInt$1(4294967296);
+      for (i = 0; i < 6; ++i) {
+        B.JSArray_methods.$indexSet(chars, i, string$.ABCDEF.charCodeAt(bits & 63));
+        bits = bits >>> 6;
+      }
+      return A.String_String$fromCharCodes(chars, 0, null);
     }
   },
   B = {};
@@ -10335,6 +10645,16 @@
         throw A.wrapException(A.diagnoseIndexError(receiver, -1));
       return receiver.pop();
     },
+    remove$1(receiver, element) {
+      var i;
+      receiver.$flags & 1 && A.throwUnsupportedOperation(receiver, "remove", 1);
+      for (i = 0; i < receiver.length; ++i)
+        if (J.$eq$(receiver[i], element)) {
+          receiver.splice(i, 1);
+          return true;
+        }
+      return false;
+    },
     _removeWhere$2(receiver, test, removeMatching) {
       var retained, end, i, element, t1;
       A._arrayInstanceType(receiver)._eval$1("bool(1)")._as(test);
@@ -10806,9 +11126,6 @@
         throw A.wrapException(A.argumentErrorValue(other));
       return other > 31 ? 0 : receiver << other >>> 0;
     },
-    _shlPositive$1(receiver, other) {
-      return other > 31 ? 0 : receiver << other >>> 0;
-    },
     $shr(receiver, other) {
       var t1;
       if (other < 0)
@@ -11127,8 +11444,8 @@
     }
   };
   A.CastMap.prototype = {
-    cast$2$0(_, RK, RV) {
-      return new A.CastMap(this.__internal$_source, this.$ti._eval$1("@<1,2>")._bind$1(RK)._bind$1(RV)._eval$1("CastMap<1,2,3,4>"));
+    cast$2$0(_, $RK, $RV) {
+      return new A.CastMap(this.__internal$_source, this.$ti._eval$1("@<1,2>")._bind$1($RK)._bind$1($RV)._eval$1("CastMap<1,2,3,4>"));
     },
     containsKey$1(key) {
       return this.__internal$_source.containsKey$1(key);
@@ -11668,9 +11985,9 @@
   };
   A.__CastListBase__CastIterableBase_ListMixin.prototype = {};
   A.ConstantMap.prototype = {
-    cast$2$0(_, RK, RV) {
+    cast$2$0(_, $RK, $RV) {
       var t1 = A._instanceType(this);
-      return A.Map_castFrom(this, t1._precomputed1, t1._rest[1], RK, RV);
+      return A.Map_castFrom(this, t1._precomputed1, t1._rest[1], $RK, $RV);
     },
     get$isEmpty(_) {
       return this.get$length(this) === 0;
@@ -11684,9 +12001,9 @@
       t1._rest[1]._as(value);
       A.ConstantMap__throwUnmodifiable();
     },
-    map$2$1(_, transform, K2, V2) {
-      var result = A.LinkedHashMap_LinkedHashMap$_empty(K2, V2);
-      this.forEach$1(0, new A.ConstantMap_map_closure(this, A._instanceType(this)._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(3,4)")._as(transform), result));
+    map$2$1(_, transform, $K2, $V2) {
+      var result = A.LinkedHashMap_LinkedHashMap$_empty($K2, $V2);
+      this.forEach$1(0, new A.ConstantMap_map_closure(this, A._instanceType(this)._bind$1($K2)._bind$1($V2)._eval$1("MapEntry<1,2>(3,4)")._as(transform), result));
       return result;
     },
     map$1(_, transform) {
@@ -12050,7 +12367,7 @@
       if (index < 0)
         return null;
       cell = bucket.splice(index, 1)[0];
-      _this.__js_helper$_unlinkCell$1(cell);
+      _this._unlinkCell$1(cell);
       if (bucket.length === 0)
         delete rest[hash];
       return cell.hashMapCellValue;
@@ -12085,7 +12402,7 @@
       cell = table[key];
       if (cell == null)
         return null;
-      this.__js_helper$_unlinkCell$1(cell);
+      this._unlinkCell$1(cell);
       delete table[key];
       return cell.hashMapCellValue;
     },
@@ -12108,7 +12425,7 @@
       _this._modified$0();
       return cell;
     },
-    __js_helper$_unlinkCell$1(cell) {
+    _unlinkCell$1(cell) {
       var _this = this,
         previous = cell._previous,
         next = cell._next;
@@ -12283,19 +12600,19 @@
     call$1(o) {
       return this.getTag(o);
     },
-    $signature: 4
+    $signature: 6
   };
   A.initHooks_closure0.prototype = {
     call$2(o, tag) {
       return this.getUnknownTag(o, tag);
     },
-    $signature: 83
+    $signature: 91
   };
   A.initHooks_closure1.prototype = {
     call$1(tag) {
       return this.prototypeForTag(A._asString(tag));
     },
-    $signature: 90
+    $signature: 92
   };
   A._Record.prototype = {};
   A.JSSyntaxRegExp.prototype = {
@@ -12337,7 +12654,7 @@
       var match,
         regexp = this.get$_nativeGlobalVersion();
       if (regexp == null)
-        regexp = type$.Object._as(regexp);
+        regexp = A._asObject(regexp);
       regexp.lastIndex = start;
       match = regexp.exec(string);
       if (match == null)
@@ -12348,7 +12665,7 @@
       var match,
         regexp = this.get$_nativeAnchoredVersion();
       if (regexp == null)
-        regexp = type$.Object._as(regexp);
+        regexp = A._asObject(regexp);
       regexp.lastIndex = start;
       match = regexp.exec(string);
       if (match == null)
@@ -12514,11 +12831,21 @@
     get$runtimeType(receiver) {
       return B.Type_ByteBuffer_rqD;
     },
+    asUint8List$2(receiver, offsetInBytes, $length) {
+      return $length == null ? new Uint8Array(receiver, offsetInBytes) : new Uint8Array(receiver, offsetInBytes, $length);
+    },
     $isTrustedGetRuntimeType: 1,
     $isNativeByteBuffer: 1,
     $isByteBuffer: 1
   };
+  A.NativeArrayBuffer.prototype = {$isNativeArrayBuffer: 1};
   A.NativeTypedData.prototype = {
+    get$buffer(receiver) {
+      if (((receiver.$flags | 0) & 2) !== 0)
+        return new A._UnmodifiableNativeByteBufferView(receiver.buffer);
+      else
+        return receiver.buffer;
+    },
     _invalidPosition$3(receiver, position, $length, $name) {
       var t1 = A.RangeError$range(position, 0, $length, $name, null);
       throw A.wrapException(t1);
@@ -12528,6 +12855,14 @@
         this._invalidPosition$3(receiver, position, $length, $name);
     }
   };
+  A._UnmodifiableNativeByteBufferView.prototype = {
+    asUint8List$2(_, offsetInBytes, $length) {
+      var result = A.NativeUint8List_NativeUint8List$view(this.__native_typed_data$_data, offsetInBytes, $length);
+      result.$flags = 3;
+      return result;
+    },
+    $isByteBuffer: 1
+  };
   A.NativeByteData.prototype = {
     get$runtimeType(receiver) {
       return B.Type_ByteData_9dB;
@@ -12781,7 +13116,7 @@
       t1.storedCallback = null;
       f.call$0();
     },
-    $signature: 6
+    $signature: 4
   };
   A._AsyncRun__initializeScheduleImmediate_closure.prototype = {
     call$1(callback) {
@@ -12791,7 +13126,7 @@
       t2 = this.span;
       t1.firstChild ? t1.removeChild(t2) : t1.appendChild(t2);
     },
-    $signature: 63
+    $signature: 85
   };
   A._AsyncRun__scheduleImmediateJsOverride_internalCallback.prototype = {
     call$0() {
@@ -12897,21 +13232,106 @@
     call$2(error, stackTrace) {
       this.bodyFunction.call$2(1, new A.ExceptionAndStackTrace(error, type$.StackTrace._as(stackTrace)));
     },
-    $signature: 53
+    $signature: 65
   };
   A._wrapJsFunctionForAsync_closure.prototype = {
     call$2(errorCode, result) {
       this.$protected(A._asInt(errorCode), result);
     },
-    $signature: 37
+    $signature: 52
   };
-  A.AsyncError.prototype = {
-    toString$0(_) {
-      return A.S(this.error);
+  A._asyncStarHelper_closure.prototype = {
+    call$0() {
+      var t3,
+        t1 = this.controller,
+        t2 = t1.___AsyncStarStreamController_controller_A;
+      t2 === $ && A.throwLateFieldNI("controller");
+      t3 = t2._state;
+      if ((t3 & 1) !== 0 ? (t2.get$_subscription()._state & 4) !== 0 : (t3 & 2) === 0) {
+        t1.isSuspended = true;
+        return;
+      }
+      t1 = t1.cancelationFuture != null ? 2 : 0;
+      this.bodyFunction.call$2(t1, null);
     },
-    $isError: 1,
-    get$stackTrace() {
-      return this.stackTrace;
+    $signature: 0
+  };
+  A._asyncStarHelper_closure0.prototype = {
+    call$1(__wc0_formal) {
+      var errorCode = this.controller.cancelationFuture != null ? 2 : 0;
+      this.bodyFunction.call$2(errorCode, null);
+    },
+    $signature: 4
+  };
+  A._AsyncStarStreamController.prototype = {
+    _AsyncStarStreamController$1(body, $T) {
+      var _this = this,
+        t1 = new A._AsyncStarStreamController__resumeBody(body);
+      _this.___AsyncStarStreamController_controller_A = _this.$ti._eval$1("StreamController<1>")._as(A.StreamController_StreamController(new A._AsyncStarStreamController_closure(_this, body), new A._AsyncStarStreamController_closure0(t1), new A._AsyncStarStreamController_closure1(_this, t1), false, $T));
+    }
+  };
+  A._AsyncStarStreamController__resumeBody.prototype = {
+    call$0() {
+      A.scheduleMicrotask(new A._AsyncStarStreamController__resumeBody_closure(this.body));
+    },
+    $signature: 1
+  };
+  A._AsyncStarStreamController__resumeBody_closure.prototype = {
+    call$0() {
+      this.body.call$2(0, null);
+    },
+    $signature: 0
+  };
+  A._AsyncStarStreamController_closure0.prototype = {
+    call$0() {
+      this._resumeBody.call$0();
+    },
+    $signature: 0
+  };
+  A._AsyncStarStreamController_closure1.prototype = {
+    call$0() {
+      var t1 = this.$this;
+      if (t1.isSuspended) {
+        t1.isSuspended = false;
+        this._resumeBody.call$0();
+      }
+    },
+    $signature: 0
+  };
+  A._AsyncStarStreamController_closure.prototype = {
+    call$0() {
+      var t1 = this.$this,
+        t2 = t1.___AsyncStarStreamController_controller_A;
+      t2 === $ && A.throwLateFieldNI("controller");
+      if ((t2._state & 4) === 0) {
+        t1.cancelationFuture = new A._Future($.Zone__current, type$._Future_dynamic);
+        if (t1.isSuspended) {
+          t1.isSuspended = false;
+          A.scheduleMicrotask(new A._AsyncStarStreamController__closure(this.body));
+        }
+        return t1.cancelationFuture;
+      }
+    },
+    $signature: 38
+  };
+  A._AsyncStarStreamController__closure.prototype = {
+    call$0() {
+      this.body.call$2(2, null);
+    },
+    $signature: 0
+  };
+  A._IterationMarker.prototype = {
+    toString$0(_) {
+      return "IterationMarker(" + this.state + ", " + A.S(this.value) + ")";
+    }
+  };
+  A.AsyncError.prototype = {
+    toString$0(_) {
+      return A.S(this.error);
+    },
+    $isError: 1,
+    get$stackTrace() {
+      return this.stackTrace;
     }
   };
   A.Future_Future$microtask_closure.prototype = {
@@ -12939,7 +13359,7 @@
   A.TimeoutException.prototype = {};
   A._Completer.prototype = {
     completeError$2(error, stackTrace) {
-      type$.Object._as(error);
+      A._asObject(error);
       type$.nullable_StackTrace._as(stackTrace);
       if ((this.future._state & 30) !== 0)
         throw A.wrapException(A.StateError$("Future already completed"));
@@ -13042,15 +13462,24 @@
       this._addListener$1(new A._FutureListener(result, 19, f, onError, t1._eval$1("@<1>")._bind$1($E)._eval$1("_FutureListener<1,2>")));
       return result;
     },
-    catchError$1(onError) {
-      var t1 = this.$ti,
-        t2 = $.Zone__current,
-        result = new A._Future(t2, t1);
-      if (t2 !== B.C__RootZone)
+    catchError$2$test(onError, test) {
+      var t1, t2, result;
+      type$.nullable_bool_Function_Object._as(test);
+      t1 = this.$ti;
+      t2 = $.Zone__current;
+      result = new A._Future(t2, t1);
+      if (t2 !== B.C__RootZone) {
         onError = A._registerErrorHandler(onError, t2);
-      this._addListener$1(new A._FutureListener(result, 2, null, onError, t1._eval$1("_FutureListener<1,1>")));
+        if (test != null)
+          test = t2.registerUnaryCallback$2$1(test, type$.bool, type$.Object);
+      }
+      t2 = test == null ? 2 : 6;
+      this._addListener$1(new A._FutureListener(result, t2, test, onError, t1._eval$1("_FutureListener<1,1>")));
       return result;
     },
+    catchError$1(onError) {
+      return this.catchError$2$test(onError, null);
+    },
     whenComplete$1(action) {
       var t1, t2, result;
       type$.dynamic_Function._as(action);
@@ -13171,7 +13600,7 @@
       A._Future__propagateToListeners(this, listeners);
     },
     _completeError$2(error, stackTrace) {
-      type$.Object._as(error);
+      A._asObject(error);
       type$.StackTrace._as(stackTrace);
       this._completeErrorObject$1(new A.AsyncError(error, stackTrace));
     },
@@ -13293,11 +13722,11 @@
     call$1(__wc0_formal) {
       this.joinedResult._completeWithResultOf$1(this.originalSource);
     },
-    $signature: 6
+    $signature: 4
   };
   A._Future__propagateToListeners_handleWhenCompleteCallback_closure0.prototype = {
     call$2(e, s) {
-      type$.Object._as(e);
+      A._asObject(e);
       type$.StackTrace._as(s);
       this.joinedResult._completeErrorObject$1(new A.AsyncError(e, s));
     },
@@ -13393,7 +13822,7 @@
   A._Future_timeout_closure1.prototype = {
     call$2(e, s) {
       var t1;
-      type$.Object._as(e);
+      A._asObject(e);
       type$.StackTrace._as(s);
       t1 = this._box_0;
       if (t1.timer.get$isActive()) {
@@ -13475,10 +13904,10 @@
       if ((_this._state & 8) === 0)
         return A._instanceType(_this)._eval$1("_PendingEvents<1>?")._as(_this._varData);
       t1 = A._instanceType(_this);
-      return t1._eval$1("_PendingEvents<1>?")._as(t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData).get$_varData());
+      return t1._eval$1("_PendingEvents<1>?")._as(t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData)._varData);
     },
     _ensurePendingEvents$0() {
-      var events, t1, _this = this;
+      var events, t1, state, _this = this;
       if ((_this._state & 8) === 0) {
         events = _this._varData;
         if (events == null)
@@ -13486,13 +13915,16 @@
         return A._instanceType(_this)._eval$1("_PendingEvents<1>")._as(events);
       }
       t1 = A._instanceType(_this);
-      events = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData).get$_varData();
+      state = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData);
+      events = state._varData;
+      if (events == null)
+        events = state._varData = new A._PendingEvents(t1._eval$1("_PendingEvents<1>"));
       return t1._eval$1("_PendingEvents<1>")._as(events);
     },
     get$_subscription() {
       var varData = this._varData;
       if ((this._state & 8) !== 0)
-        varData = type$._StreamControllerAddStreamState_nullable_Object._as(varData).get$_varData();
+        varData = type$._StreamControllerAddStreamState_nullable_Object._as(varData)._varData;
       return A._instanceType(this)._eval$1("_ControllerSubscription<1>")._as(varData);
     },
     _badEventState$0() {
@@ -13500,6 +13932,31 @@
         return new A.StateError("Cannot add event after closing");
       return new A.StateError("Cannot add event while adding a stream");
     },
+    addStream$2$cancelOnError(source, cancelOnError) {
+      var t2, t3, t4, t5, t6, _this = this,
+        t1 = A._instanceType(_this);
+      t1._eval$1("Stream<1>")._as(source);
+      t2 = _this._state;
+      if (t2 >= 4)
+        throw A.wrapException(_this._badEventState$0());
+      if ((t2 & 2) !== 0) {
+        t1 = new A._Future($.Zone__current, type$._Future_dynamic);
+        t1._asyncComplete$1(null);
+        return t1;
+      }
+      t2 = _this._varData;
+      t3 = cancelOnError === true;
+      t4 = new A._Future($.Zone__current, type$._Future_dynamic);
+      t5 = t1._eval$1("~(1)")._as(_this.get$_add());
+      t6 = t3 ? A._AddStreamState_makeErrorHandler(_this) : _this.get$_addError();
+      t6 = source.listen$4$cancelOnError$onDone$onError(t5, t3, _this.get$_close(), t6);
+      t3 = _this._state;
+      if ((t3 & 1) !== 0 ? (_this.get$_subscription()._state & 4) !== 0 : (t3 & 2) === 0)
+        t6.pause$0();
+      _this._varData = new A._StreamControllerAddStreamState(t2, t4, t6, t1._eval$1("_StreamControllerAddStreamState<1>"));
+      _this._state |= 8;
+      return t4;
+    },
     _ensureDoneFuture$0() {
       var t1 = this._doneFuture;
       if (t1 == null)
@@ -13514,19 +13971,13 @@
       _this._add$1(value);
     },
     addError$2(error, stackTrace) {
-      var _0_0, t1, _this = this;
-      type$.Object._as(error);
+      var _0_0;
+      A._asObject(error);
       type$.nullable_StackTrace._as(stackTrace);
-      if (_this._state >= 4)
-        throw A.wrapException(_this._badEventState$0());
+      if (this._state >= 4)
+        throw A.wrapException(this._badEventState$0());
       _0_0 = A._interceptUserError(error, stackTrace);
-      error = _0_0.error;
-      stackTrace = _0_0.stackTrace;
-      t1 = _this._state;
-      if ((t1 & 1) !== 0)
-        _this._sendError$2(error, stackTrace);
-      else if ((t1 & 3) === 0)
-        _this._ensurePendingEvents$0().add$1(0, new A._DelayedError(error, stackTrace));
+      this._addError$2(_0_0.error, _0_0.stackTrace);
     },
     addError$1(error) {
       return this.addError$2(error, null);
@@ -13558,6 +14009,23 @@
       else if ((t2 & 3) === 0)
         _this._ensurePendingEvents$0().add$1(0, new A._DelayedData(value, t1._eval$1("_DelayedData<1>")));
     },
+    _addError$2(error, stackTrace) {
+      var t1;
+      A._asObject(error);
+      type$.StackTrace._as(stackTrace);
+      t1 = this._state;
+      if ((t1 & 1) !== 0)
+        this._sendError$2(error, stackTrace);
+      else if ((t1 & 3) === 0)
+        this._ensurePendingEvents$0().add$1(0, new A._DelayedError(error, stackTrace));
+    },
+    _close$0() {
+      var _this = this,
+        addState = A._instanceType(_this)._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData);
+      _this._varData = addState._varData;
+      _this._state &= 4294967287;
+      addState.addStreamFuture._asyncComplete$1(null);
+    },
     _subscribe$4(onData, onError, onDone, cancelOnError) {
       var t2, t3, t4, t5, t6, t7, subscription, pendingEvents, addState, _this = this,
         t1 = A._instanceType(_this);
@@ -13575,8 +14043,8 @@
       pendingEvents = _this.get$_pendingEvents();
       if (((_this._state |= 1) & 8) !== 0) {
         addState = t1._eval$1("_StreamControllerAddStreamState<1>")._as(_this._varData);
-        addState.set$_varData(subscription);
-        addState.resume$0();
+        addState._varData = subscription;
+        addState.addSubscription.resume$0();
       } else
         _this._varData = subscription;
       subscription._setPendingEvents$1(pendingEvents);
@@ -13603,7 +14071,7 @@
             e = A.unwrapException(exception);
             s = A.getTraceFromException(exception);
             result0 = new A._Future($.Zone__current, type$._Future_void);
-            t1 = type$.Object._as(e);
+            t1 = A._asObject(e);
             t2 = type$.StackTrace._as(s);
             result0._asyncCompleteErrorObject$1(new A.AsyncError(t1, t2));
             result = result0;
@@ -13685,7 +14153,7 @@
         t2 = A._instanceType(t1);
       t2._eval$1("StreamSubscription<1>")._as(this);
       if ((t1._state & 8) !== 0)
-        t2._eval$1("_StreamControllerAddStreamState<1>")._as(t1._varData).pause$0();
+        t2._eval$1("_StreamControllerAddStreamState<1>")._as(t1._varData).addSubscription.pause$0();
       A._runGuarded(t1.onPause);
     },
     _onResume$0() {
@@ -13693,7 +14161,7 @@
         t2 = A._instanceType(t1);
       t2._eval$1("StreamSubscription<1>")._as(this);
       if ((t1._state & 8) !== 0)
-        t2._eval$1("_StreamControllerAddStreamState<1>")._as(t1._varData).resume$0();
+        t2._eval$1("_StreamControllerAddStreamState<1>")._as(t1._varData).addSubscription.resume$0();
       A._runGuarded(t1.onResume);
     }
   };
@@ -13703,6 +14171,27 @@
     },
     $isStreamSink: 1
   };
+  A._AddStreamState.prototype = {
+    cancel$0() {
+      var cancel = this.addSubscription.cancel$0();
+      return cancel.whenComplete$1(new A._AddStreamState_cancel_closure(this));
+    }
+  };
+  A._AddStreamState_makeErrorHandler_closure.prototype = {
+    call$2(e, s) {
+      var t1 = this.controller;
+      t1._addError$2(A._asObject(e), type$.StackTrace._as(s));
+      t1._close$0();
+    },
+    $signature: 5
+  };
+  A._AddStreamState_cancel_closure.prototype = {
+    call$0() {
+      this.$this.addStreamFuture._asyncComplete$1(null);
+    },
+    $signature: 1
+  };
+  A._StreamControllerAddStreamState.prototype = {};
   A._BufferingStreamSubscription.prototype = {
     _setPendingEvents$1(pendingEvents) {
       var _this = this;
@@ -13940,7 +14429,7 @@
   A._BufferingStreamSubscription_asFuture_closure0.prototype = {
     call$2(error, stackTrace) {
       var cancelFuture, t1;
-      type$.Object._as(error);
+      A._asObject(error);
       type$.StackTrace._as(stackTrace);
       cancelFuture = this.$this.cancel$0();
       t1 = this.result;
@@ -14208,7 +14697,7 @@
     _handleError$2(error, stackTrace) {
       var t1;
       type$.StackTrace._as(stackTrace);
-      t1 = error == null ? type$.Object._as(error) : error;
+      t1 = error == null ? A._asObject(error) : error;
       this._stream.$ti._eval$1("_EventSink<2>")._as(this)._addError$2(t1, stackTrace);
     },
     _handleDone$0() {
@@ -14292,7 +14781,7 @@
       } catch (exception) {
         e = A.unwrapException(exception);
         s = A.getTraceFromException(exception);
-        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
+        this._processUncaughtError$3(this, A._asObject(e), type$.StackTrace._as(s));
       }
     },
     runUnaryGuarded$1$2(f, arg, $T) {
@@ -14304,20 +14793,20 @@
       } catch (exception) {
         e = A.unwrapException(exception);
         s = A.getTraceFromException(exception);
-        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
+        this._processUncaughtError$3(this, A._asObject(e), type$.StackTrace._as(s));
       }
     },
-    runBinaryGuarded$2$3(f, arg1, arg2, T1, T2) {
+    runBinaryGuarded$2$3(f, arg1, arg2, $T1, $T2) {
       var e, s, exception;
-      T1._eval$1("@<0>")._bind$1(T2)._eval$1("~(1,2)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
+      $T1._eval$1("@<0>")._bind$1($T2)._eval$1("~(1,2)")._as(f);
+      $T1._as(arg1);
+      $T2._as(arg2);
       try {
-        this.runBinary$3$3(f, arg1, arg2, type$.void, T1, T2);
+        this.runBinary$3$3(f, arg1, arg2, type$.void, $T1, $T2);
       } catch (exception) {
         e = A.unwrapException(exception);
         s = A.getTraceFromException(exception);
-        this._processUncaughtError$3(this, type$.Object._as(e), type$.StackTrace._as(s));
+        this._processUncaughtError$3(this, A._asObject(e), type$.StackTrace._as(s));
       }
     },
     bindCallback$1$1(f, $R) {
@@ -14355,14 +14844,14 @@
       t1 = implementation.zone;
       return implementation.$function.call$2$5(t1, t1.get$_parentDelegate(), this, f, arg, $R, $T);
     },
-    runBinary$3$3(f, arg1, arg2, $R, T1, T2) {
+    runBinary$3$3(f, arg1, arg2, $R, $T1, $T2) {
       var implementation, t1;
-      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
+      $R._eval$1("@<0>")._bind$1($T1)._bind$1($T2)._eval$1("1(2,3)")._as(f);
+      $T1._as(arg1);
+      $T2._as(arg2);
       implementation = this._runBinary;
       t1 = implementation.zone;
-      return implementation.$function.call$3$6(t1, t1.get$_parentDelegate(), this, f, arg1, arg2, $R, T1, T2);
+      return implementation.$function.call$3$6(t1, t1.get$_parentDelegate(), this, f, arg1, arg2, $R, $T1, $T2);
     },
     registerCallback$1$1(callback, $R) {
       var implementation, t1;
@@ -14378,12 +14867,12 @@
       t1 = implementation.zone;
       return implementation.$function.call$2$4(t1, t1.get$_parentDelegate(), this, callback, $R, $T);
     },
-    registerBinaryCallback$3$1(callback, $R, T1, T2) {
+    registerBinaryCallback$3$1(callback, $R, $T1, $T2) {
       var implementation, t1;
-      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(callback);
+      $R._eval$1("@<0>")._bind$1($T1)._bind$1($T2)._eval$1("1(2,3)")._as(callback);
       implementation = this._registerBinaryCallback;
       t1 = implementation.zone;
-      return implementation.$function.call$3$4(t1, t1.get$_parentDelegate(), this, callback, $R, T1, T2);
+      return implementation.$function.call$3$4(t1, t1.get$_parentDelegate(), this, callback, $R, $T1, $T2);
     },
     errorCallback$2(error, stackTrace) {
       var implementation = this._errorCallback,
@@ -14565,7 +15054,7 @@
       } catch (exception) {
         e = A.unwrapException(exception);
         s = A.getTraceFromException(exception);
-        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
+        A._rootHandleError(A._asObject(e), type$.StackTrace._as(s));
       }
     },
     runUnaryGuarded$1$2(f, arg, $T) {
@@ -14581,24 +15070,24 @@
       } catch (exception) {
         e = A.unwrapException(exception);
         s = A.getTraceFromException(exception);
-        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
+        A._rootHandleError(A._asObject(e), type$.StackTrace._as(s));
       }
     },
-    runBinaryGuarded$2$3(f, arg1, arg2, T1, T2) {
+    runBinaryGuarded$2$3(f, arg1, arg2, $T1, $T2) {
       var e, s, exception;
-      T1._eval$1("@<0>")._bind$1(T2)._eval$1("~(1,2)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
+      $T1._eval$1("@<0>")._bind$1($T2)._eval$1("~(1,2)")._as(f);
+      $T1._as(arg1);
+      $T2._as(arg2);
       try {
         if (B.C__RootZone === $.Zone__current) {
           f.call$2(arg1, arg2);
           return;
         }
-        A._rootRunBinary(null, null, this, f, arg1, arg2, type$.void, T1, T2);
+        A._rootRunBinary(null, null, this, f, arg1, arg2, type$.void, $T1, $T2);
       } catch (exception) {
         e = A.unwrapException(exception);
         s = A.getTraceFromException(exception);
-        A._rootHandleError(type$.Object._as(e), type$.StackTrace._as(s));
+        A._rootHandleError(A._asObject(e), type$.StackTrace._as(s));
       }
     },
     bindCallback$1$1(f, $R) {
@@ -14632,13 +15121,13 @@
         return f.call$1(arg);
       return A._rootRunUnary(null, null, this, f, arg, $R, $T);
     },
-    runBinary$3$3(f, arg1, arg2, $R, T1, T2) {
-      $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
-      T1._as(arg1);
-      T2._as(arg2);
+    runBinary$3$3(f, arg1, arg2, $R, $T1, $T2) {
+      $R._eval$1("@<0>")._bind$1($T1)._bind$1($T2)._eval$1("1(2,3)")._as(f);
+      $T1._as(arg1);
+      $T2._as(arg2);
       if ($.Zone__current === B.C__RootZone)
         return f.call$2(arg1, arg2);
-      return A._rootRunBinary(null, null, this, f, arg1, arg2, $R, T1, T2);
+      return A._rootRunBinary(null, null, this, f, arg1, arg2, $R, $T1, $T2);
     },
     registerCallback$1$1(f, $R) {
       return $R._eval$1("0()")._as(f);
@@ -14646,8 +15135,8 @@
     registerUnaryCallback$2$1(f, $R, $T) {
       return $R._eval$1("@<0>")._bind$1($T)._eval$1("1(2)")._as(f);
     },
-    registerBinaryCallback$3$1(f, $R, T1, T2) {
-      return $R._eval$1("@<0>")._bind$1(T1)._bind$1(T2)._eval$1("1(2,3)")._as(f);
+    registerBinaryCallback$3$1(f, $R, $T1, $T2) {
+      return $R._eval$1("@<0>")._bind$1($T1)._bind$1($T2)._eval$1("1(2,3)")._as(f);
     },
     errorCallback$2(error, stackTrace) {
       return null;
@@ -14709,10 +15198,10 @@
         if (e === error)
           t2._processUncaughtError$3(zone, error, stackTrace);
         else
-          t2._processUncaughtError$3(zone, type$.Object._as(e), t1._as(s));
+          t2._processUncaughtError$3(zone, A._asObject(e), t1._as(s));
       }
     },
-    $signature: 66
+    $signature: 68
   };
   A._HashMap.prototype = {
     get$length(_) {
@@ -15271,26 +15760,6 @@
       }
       return true;
     },
-    remove$1(_, object) {
-      var t1 = this._remove$1(object);
-      return t1;
-    },
-    _remove$1(object) {
-      var hash, bucket, index, cell, _this = this,
-        rest = _this._collection$_rest;
-      if (rest == null)
-        return false;
-      hash = _this._computeHashCode$1(object);
-      bucket = rest[hash];
-      index = _this._findBucketIndex$2(bucket, object);
-      if (index < 0)
-        return false;
-      cell = bucket.splice(index, 1)[0];
-      if (0 === bucket.length)
-        delete rest[hash];
-      _this._unlinkCell$1(cell);
-      return true;
-    },
     _collection$_addHashTableEntry$2(table, element) {
       A._instanceType(this)._precomputed1._as(element);
       if (type$.nullable__LinkedHashSetCell._as(table[element]) != null)
@@ -15298,39 +15767,17 @@
       table[element] = this._collection$_newLinkedCell$1(element);
       return true;
     },
-    _collection$_modified$0() {
-      this._collection$_modifications = this._collection$_modifications + 1 & 1073741823;
-    },
     _collection$_newLinkedCell$1(element) {
-      var t1, _this = this,
+      var _this = this,
         cell = new A._LinkedHashSetCell(A._instanceType(_this)._precomputed1._as(element));
       if (_this._collection$_first == null)
         _this._collection$_first = _this._collection$_last = cell;
-      else {
-        t1 = _this._collection$_last;
-        t1.toString;
-        cell._collection$_previous = t1;
-        _this._collection$_last = t1._collection$_next = cell;
-      }
+      else
+        _this._collection$_last = _this._collection$_last._collection$_next = cell;
       ++_this._collection$_length;
-      _this._collection$_modified$0();
+      _this._collection$_modifications = _this._collection$_modifications + 1 & 1073741823;
       return cell;
     },
-    _unlinkCell$1(cell) {
-      var _this = this,
-        previous = cell._collection$_previous,
-        next = cell._collection$_next;
-      if (previous == null)
-        _this._collection$_first = next;
-      else
-        previous._collection$_next = next;
-      if (next == null)
-        _this._collection$_last = previous;
-      else
-        next._collection$_previous = previous;
-      --_this._collection$_length;
-      _this._collection$_modified$0();
-    },
     _computeHashCode$1(element) {
       return J.get$hashCode$(element) & 1073741823;
     },
@@ -15383,7 +15830,7 @@
     call$2(k, v) {
       this.result.$indexSet(0, this.K._as(k), this.V._as(v));
     },
-    $signature: 23
+    $signature: 24
   };
   A.ListBase.prototype = {
     get$iterator(receiver) {
@@ -15515,9 +15962,9 @@
     $isList: 1
   };
   A.MapBase.prototype = {
-    cast$2$0(_, RK, RV) {
+    cast$2$0(_, $RK, $RV) {
       var t1 = A._instanceType(this);
-      return A.Map_castFrom(this, t1._eval$1("MapBase.K"), t1._eval$1("MapBase.V"), RK, RV);
+      return A.Map_castFrom(this, t1._eval$1("MapBase.K"), t1._eval$1("MapBase.V"), $RK, $RV);
     },
     forEach$1(_, action) {
       var t2, key, t3,
@@ -15529,11 +15976,11 @@
         action.call$2(key, t3 == null ? t1._as(t3) : t3);
       }
     },
-    map$2$1(_, transform, K2, V2) {
+    map$2$1(_, transform, $K2, $V2) {
       var result, t2, key, t3, entry,
         t1 = A._instanceType(this);
-      t1._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(MapBase.K,MapBase.V)")._as(transform);
-      result = A.LinkedHashMap_LinkedHashMap$_empty(K2, V2);
+      t1._bind$1($K2)._bind$1($V2)._eval$1("MapEntry<1,2>(MapBase.K,MapBase.V)")._as(transform);
+      result = A.LinkedHashMap_LinkedHashMap$_empty($K2, $V2);
       for (t2 = this.get$keys(), t2 = t2.get$iterator(t2), t1 = t1._eval$1("MapBase.V"); t2.moveNext$0();) {
         key = t2.get$current();
         t3 = this.$index(0, key);
@@ -15575,7 +16022,7 @@
       t2 = A.S(v);
       t1._contents += t2;
     },
-    $signature: 24
+    $signature: 25
   };
   A._UnmodifiableMapMixin.prototype = {
     $indexSet(_, key, value) {
@@ -15586,8 +16033,8 @@
     }
   };
   A.MapView.prototype = {
-    cast$2$0(_, RK, RV) {
-      return this._collection$_map.cast$2$0(0, RK, RV);
+    cast$2$0(_, $RK, $RV) {
+      return this._collection$_map.cast$2$0(0, $RK, $RV);
     },
     $index(_, key) {
       return this._collection$_map.$index(0, key);
@@ -15616,8 +16063,8 @@
     toString$0(_) {
       return this._collection$_map.toString$0(0);
     },
-    map$2$1(_, transform, K2, V2) {
-      return this._collection$_map.map$2$1(0, A._instanceType(this)._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(3,4)")._as(transform), K2, V2);
+    map$2$1(_, transform, $K2, $V2) {
+      return this._collection$_map.map$2$1(0, A._instanceType(this)._bind$1($K2)._bind$1($V2)._eval$1("MapEntry<1,2>(3,4)")._as(transform), $K2, $V2);
     },
     map$1(_, transform) {
       var t1 = type$.dynamic;
@@ -15626,8 +16073,8 @@
     $isMap: 1
   };
   A.UnmodifiableMapView.prototype = {
-    cast$2$0(_, RK, RV) {
-      return new A.UnmodifiableMapView(this._collection$_map.cast$2$0(0, RK, RV), RK._eval$1("@<0>")._bind$1(RV)._eval$1("UnmodifiableMapView<1,2>"));
+    cast$2$0(_, $RK, $RV) {
+      return new A.UnmodifiableMapView(this._collection$_map.cast$2$0(0, $RK, $RV), $RK._eval$1("@<0>")._bind$1($RV)._eval$1("UnmodifiableMapView<1,2>"));
     }
   };
   A.ListQueue.prototype = {
@@ -16226,7 +16673,7 @@
       }
       return null;
     },
-    $signature: 25
+    $signature: 26
   };
   A._Utf8Decoder__decoderNonfatal_closure.prototype = {
     call$0() {
@@ -16238,7 +16685,7 @@
       }
       return null;
     },
-    $signature: 25
+    $signature: 26
   };
   A.AsciiCodec.prototype = {
     encode$1(source) {
@@ -16741,7 +17188,7 @@
       B.JSArray_methods.$indexSet(t1, t2.i++, key);
       B.JSArray_methods.$indexSet(t1, t2.i++, value);
     },
-    $signature: 24
+    $signature: 25
   };
   A._JsonStringStringifier.prototype = {
     get$_partialResult() {
@@ -17020,7 +17467,7 @@
                     break;
                   default:
                     t3 = A.Primitives_stringFromCharCode(_65533);
-                    buffer._contents = (buffer._contents += t3) + A.Primitives_stringFromCharCode(_65533);
+                    buffer._contents = (buffer._contents += t3) + t3;
                     break;
                 }
               else {
@@ -17423,7 +17870,7 @@
       hash = hash + ((hash & 524287) << 10) & 536870911;
       return hash ^ hash >>> 6;
     },
-    $signature: 26
+    $signature: 27
   };
   A._BigIntImpl_hashCode_finish.prototype = {
     call$1(hash) {
@@ -17431,7 +17878,7 @@
       hash ^= hash >>> 11;
       return hash + ((hash & 16383) << 15) & 536870911;
     },
-    $signature: 27
+    $signature: 63
   };
   A.DateTime.prototype = {
     $eq(_, other) {
@@ -17849,13 +18296,13 @@
     call$2(msg, position) {
       throw A.wrapException(A.FormatException$("Illegal IPv4 address, " + msg, this.host, position));
     },
-    $signature: 61
+    $signature: 58
   };
   A.Uri_parseIPv6Address_error.prototype = {
     call$2(msg, position) {
       throw A.wrapException(A.FormatException$("Illegal IPv6 address, " + msg, this.host, position));
     },
-    $signature: 56
+    $signature: 54
   };
   A.Uri_parseIPv6Address_parseHex.prototype = {
     call$2(start, end) {
@@ -17867,7 +18314,7 @@
         this.error.call$2("each part must be in the range of `0x0..0xFFFF`", start);
       return value;
     },
-    $signature: 26
+    $signature: 27
   };
   A._Uri.prototype = {
     get$_text() {
@@ -17897,7 +18344,6 @@
         t2 = _this._fragment;
         if (t2 != null)
           t1 = t1 + "#" + t2;
-        value !== $ && A.throwLateFieldADI("_text");
         value = _this.___Uri__text_FI = t1.charCodeAt(0) == 0 ? t1 : t1;
       }
       return value;
@@ -18494,7 +18940,7 @@
       var t1 = type$.JavaScriptFunction;
       this._this.then$1$2$onError(new A.FutureOfJSAnyToJSPromise_get_toJS__closure(t1._as(resolve)), new A.FutureOfJSAnyToJSPromise_get_toJS__closure0(t1._as(reject)), type$.nullable_Object);
     },
-    $signature: 29
+    $signature: 30
   };
   A.FutureOfJSAnyToJSPromise_get_toJS__closure.prototype = {
     call$1(value) {
@@ -18507,7 +18953,7 @@
   A.FutureOfJSAnyToJSPromise_get_toJS__closure0.prototype = {
     call$2(error, stackTrace) {
       var wrapper, box, t1;
-      type$.Object._as(error);
+      A._asObject(error);
       type$.StackTrace._as(stackTrace);
       wrapper = A.JSFunctionUnsafeUtilExtension_callAsConstructor(type$.JavaScriptFunction._as(init.G.Error), string$.Dart_e, type$.JSObject);
       if (type$.JavaScriptObject._is(error))
@@ -18520,26 +18966,26 @@
       t1.call(t1, wrapper);
       return wrapper;
     },
-    $signature: 52
+    $signature: 43
   };
   A.FutureOfVoidToJSPromise_get_toJS_closure.prototype = {
     call$2(resolve, reject) {
       var t1 = type$.JavaScriptFunction;
       this._this.then$1$2$onError(new A.FutureOfVoidToJSPromise_get_toJS__closure(t1._as(resolve)), new A.FutureOfVoidToJSPromise_get_toJS__closure0(t1._as(reject)), type$.nullable_Object);
     },
-    $signature: 29
+    $signature: 30
   };
   A.FutureOfVoidToJSPromise_get_toJS__closure.prototype = {
     call$1(__wc0_formal) {
       var t1 = this.resolve;
       return t1.call(t1);
     },
-    $signature: 50
+    $signature: 40
   };
   A.FutureOfVoidToJSPromise_get_toJS__closure0.prototype = {
     call$2(error, stackTrace) {
       var wrapper, box, t1;
-      type$.Object._as(error);
+      A._asObject(error);
       type$.StackTrace._as(stackTrace);
       wrapper = A.JSFunctionUnsafeUtilExtension_callAsConstructor(type$.JavaScriptFunction._as(init.G.Error), string$.Dart_e, type$.JSObject);
       if (type$.JavaScriptObject._is(error))
@@ -18654,10 +19100,44 @@
   A._JSRandom.prototype = {
     nextInt$1(max) {
       if (max <= 0 || max > 4294967296)
-        throw A.wrapException(A.RangeError$("max must be in range 0 < max \u2264 2^32, was " + max));
+        throw A.wrapException(A.RangeError$(string$.max_mu + max));
       return Math.random() * max >>> 0;
+    }
+  };
+  A._JSSecureRandom.prototype = {
+    _JSSecureRandom$0() {
+      var $crypto = self.crypto;
+      if ($crypto != null)
+        if ($crypto.getRandomValues != null)
+          return;
+      throw A.wrapException(A.UnsupportedError$("No source of cryptographically secure random numbers available."));
     },
-    $isRandom: 1
+    nextInt$1(max) {
+      var byteCount, t1, start, randomLimit, t2, t3, random, result;
+      if (max <= 0 || max > 4294967296)
+        throw A.wrapException(A.RangeError$(string$.max_mu + max));
+      if (max > 255)
+        if (max > 65535)
+          byteCount = max > 16777215 ? 4 : 3;
+        else
+          byteCount = 2;
+      else
+        byteCount = 1;
+      t1 = this._math$_buffer;
+      t1.$flags & 2 && A.throwUnsupportedOperation(t1, 11);
+      t1.setUint32(0, 0, false);
+      start = 4 - byteCount;
+      randomLimit = A._asInt(Math.pow(256, byteCount));
+      for (t2 = max - 1, t3 = (max & t2) >>> 0 === 0; true;) {
+        crypto.getRandomValues(J.asUint8List$2$x(B.NativeByteData_methods.get$buffer(t1), start, byteCount));
+        random = t1.getUint32(0, false);
+        if (t3)
+          return (random & t2) >>> 0;
+        result = random % max;
+        if (random - result + max < randomLimit)
+          return result;
+      }
+    }
   };
   A.AsyncMemoizer.prototype = {};
   A.DelegatingStreamSink.prototype = {
@@ -18762,7 +19242,7 @@
   };
   A.StreamQueue__ensureListening_closure1.prototype = {
     call$2(error, stackTrace) {
-      type$.Object._as(error);
+      A._asObject(error);
       type$.StackTrace._as(stackTrace);
       this.$this._addResult$1(new A.ErrorResult(error, stackTrace));
     },
@@ -18820,7 +19300,7 @@
     call$2(h, i) {
       return A._combine(A._asInt(h), J.get$hashCode$(i));
     },
-    $signature: 46
+    $signature: 39
   };
   A.BuiltList.prototype = {
     toBuilder$0() {
@@ -19030,7 +19510,7 @@
     call$1(k) {
       return this.multimap.$index(0, k);
     },
-    $signature: 4
+    $signature: 6
   };
   A.BuiltListMultimap_hashCode_closure.prototype = {
     call$1(key) {
@@ -19187,7 +19667,7 @@
     call$1(k) {
       return this.multimap.$index(0, k);
     },
-    $signature: 4
+    $signature: 6
   };
   A.BuiltMap.prototype = {
     toBuilder$0() {
@@ -19254,7 +19734,7 @@
     call$1(k) {
       return this.map.$index(0, k);
     },
-    $signature: 4
+    $signature: 6
   };
   A.BuiltMap_hashCode_closure.prototype = {
     call$1(key) {
@@ -19372,7 +19852,7 @@
       var t1 = this.$this.$ti;
       this.replacement.$indexSet(0, t1._precomputed1._as(key), t1._rest[1]._as(value));
     },
-    $signature: 23
+    $signature: 24
   };
   A.BuiltSet.prototype = {
     get$hashCode(_) {
@@ -19736,7 +20216,7 @@
     call$1(k) {
       return this.multimap.$index(0, k);
     },
-    $signature: 4
+    $signature: 6
   };
   A.EnumClass.prototype = {
     toString$0(_) {
@@ -19751,7 +20231,7 @@
       $._indentingBuiltValueToStringHelperIndent = $._indentingBuiltValueToStringHelperIndent + 2;
       return new A.IndentingBuiltValueToStringHelper(t1);
     },
-    $signature: 42
+    $signature: 36
   };
   A.IndentingBuiltValueToStringHelper.prototype = {
     add$2(_, field, value) {
@@ -19759,8 +20239,7 @@
       if (value != null) {
         t1 = this._result;
         t1.toString;
-        t2 = B.JSString_methods.$mul(" ", $._indentingBuiltValueToStringHelperIndent);
-        t2 = (t1._contents += t2) + field;
+        t2 = (t1._contents += B.JSString_methods.$mul(" ", $._indentingBuiltValueToStringHelperIndent)) + field;
         t1._contents = t2;
         t1._contents = t2 + "=";
         t2 = A.S(value);
@@ -19773,9 +20252,8 @@
       $._indentingBuiltValueToStringHelperIndent = t1;
       t2 = this._result;
       t2.toString;
-      t1 = B.JSString_methods.$mul(" ", t1);
-      t2._contents = (t2._contents += t1) + "}";
-      stringResult = J.toString$0$(this._result);
+      t2._contents = (t2._contents += B.JSString_methods.$mul(" ", t1)) + "}";
+      stringResult = t2.toString$0(0);
       this._result = null;
       return stringResult;
     }
@@ -19884,34 +20362,34 @@
     call$0() {
       return A.ListBuilder_ListBuilder(B.List_empty0, type$.Object);
     },
-    $signature: 39
+    $signature: 33
   };
   A.Serializers_Serializers_closure0.prototype = {
     call$0() {
       var t1 = type$.Object;
       return A.ListMultimapBuilder_ListMultimapBuilder(t1, t1);
     },
-    $signature: 38
+    $signature: 34
   };
   A.Serializers_Serializers_closure1.prototype = {
     call$0() {
       var t1 = type$.Object;
       return A.MapBuilder_MapBuilder(t1, t1);
     },
-    $signature: 36
+    $signature: 35
   };
   A.Serializers_Serializers_closure2.prototype = {
     call$0() {
       return A.SetBuilder_SetBuilder(type$.Object);
     },
-    $signature: 35
+    $signature: 108
   };
   A.Serializers_Serializers_closure3.prototype = {
     call$0() {
       var t1 = type$.Object;
       return A.SetMultimapBuilder_SetMultimapBuilder(t1, t1);
     },
-    $signature: 89
+    $signature: 37
   };
   A.FullType.prototype = {
     $eq(_, other) {
@@ -20160,7 +20638,7 @@
       if (builderFactory == null)
         this._throwMissingBuilderFactory$1(fullType);
       t1 = builderFactory.call$0();
-      return t1 == null ? type$.Object._as(t1) : t1;
+      return t1 == null ? A._asObject(t1) : t1;
     },
     _throwMissingBuilderFactory$1(fullType) {
       throw A.wrapException(A.StateError$("No builder factory for " + fullType.toString$0(0) + ". Fix by adding one, see SerializersBuilder.addBuilderFactory."));
@@ -21214,8 +21692,8 @@
     addAll$1(_, other) {
       this.$ti._eval$1("Map<CanonicalizedMap.K,CanonicalizedMap.V>")._as(other).forEach$1(0, new A.CanonicalizedMap_addAll_closure(this));
     },
-    cast$2$0(_, K2, V2) {
-      return this._base.cast$2$0(0, K2, V2);
+    cast$2$0(_, $K2, $V2) {
+      return this._base.cast$2$0(0, $K2, $V2);
     },
     containsKey$1(key) {
       var _this = this;
@@ -21238,8 +21716,8 @@
     get$length(_) {
       return this._base.__js_helper$_length;
     },
-    map$2$1(_, transform, K2, V2) {
-      return this._base.map$2$1(0, new A.CanonicalizedMap_map_closure(this, this.$ti._bind$1(K2)._bind$1(V2)._eval$1("MapEntry<1,2>(CanonicalizedMap.K,CanonicalizedMap.V)")._as(transform), K2, V2), K2, V2);
+    map$2$1(_, transform, $K2, $V2) {
+      return this._base.map$2$1(0, new A.CanonicalizedMap_map_closure(this, this.$ti._bind$1($K2)._bind$1($V2)._eval$1("MapEntry<1,2>(CanonicalizedMap.K,CanonicalizedMap.V)")._as(transform), $K2, $V2), $K2, $V2);
     },
     map$1(_, transform) {
       var t1 = type$.dynamic;
@@ -21651,7 +22129,6 @@
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
       var t1, t2, value, $$v, _$result,
-        _s11_ = "BuildResult",
         result = new A.BuildResultBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (t1 = type$.BuildStatus; iterator.moveNext$0();) {
@@ -21675,13 +22152,7 @@
         }
       }
       _$result = result._build_result$_$v;
-      if (_$result == null) {
-        t2 = A.BuiltValueNullFieldError_checkNotNull(result.get$_build_result$_$this()._status, _s11_, "status", t1);
-        _$result = new A._$BuildResult(t2);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s11_, "status", t1);
-      }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.BuildResult);
-      return result._build_result$_$v = _$result;
+      return result._build_result$_$v = _$result == null ? new A._$BuildResult(A.BuiltValueNullFieldError_checkNotNull(result.get$_build_result$_$this()._status, "BuildResult", "status", t1)) : _$result;
     },
     deserialize$2(serializers, serialized) {
       return this.deserialize$3$specifiedType(serializers, serialized, B.FullType_null_List_empty_false);
@@ -21812,22 +22283,13 @@
       return _this;
     },
     _connect_request$_build$0() {
-      var t1, t2, t3, t4, _this = this,
+      var t1, _this = this,
         _s14_ = "ConnectRequest",
-        _s10_ = "instanceId",
-        _s14_0 = "entrypointPath",
         _$result = _this._connect_request$_$v;
       if (_$result == null) {
         t1 = type$.String;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_connect_request$_$this()._connect_request$_appId, _s14_, "appId", t1);
-        t3 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_connect_request$_$this()._instanceId, _s14_, _s10_, t1);
-        t4 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_connect_request$_$this()._entrypointPath, _s14_, _s14_0, t1);
-        _$result = new A._$ConnectRequest(t2, t3, t4);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s14_, "appId", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t3, _s14_, _s10_, t1);
-        A.BuiltValueNullFieldError_checkNotNull(t4, _s14_, _s14_0, t1);
-      }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.ConnectRequest);
+        _$result = new A._$ConnectRequest(A.BuiltValueNullFieldError_checkNotNull(_this.get$_connect_request$_$this()._connect_request$_appId, _s14_, "appId", t1), A.BuiltValueNullFieldError_checkNotNull(_this.get$_connect_request$_$this()._instanceId, _s14_, "instanceId", t1), A.BuiltValueNullFieldError_checkNotNull(_this.get$_connect_request$_$this()._entrypointPath, _s14_, "entrypointPath", t1));
+      }
       return _this._connect_request$_$v = _$result;
     }
   };
@@ -21992,23 +22454,13 @@
       return _this;
     },
     _debug_event$_build$0() {
-      var t1, t2, t3, t4, t5, _this = this,
+      var t1, _this = this,
         _s10_ = "DebugEvent",
-        _s9_ = "eventData",
-        _s9_0 = "timestamp",
         _$result = _this._debug_event$_$v;
       if (_$result == null) {
         t1 = type$.String;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_debug_event$_$this()._debug_event$_kind, _s10_, "kind", t1);
-        t3 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_debug_event$_$this()._eventData, _s10_, _s9_, t1);
-        t4 = type$.int;
-        t5 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_debug_event$_$this()._timestamp, _s10_, _s9_0, t4);
-        _$result = new A._$DebugEvent(t2, t3, t5);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s10_, "kind", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t3, _s10_, _s9_, t1);
-        A.BuiltValueNullFieldError_checkNotNull(t5, _s10_, _s9_0, t4);
-      }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.DebugEvent);
+        _$result = new A._$DebugEvent(A.BuiltValueNullFieldError_checkNotNull(_this.get$_debug_event$_$this()._debug_event$_kind, _s10_, "kind", t1), A.BuiltValueNullFieldError_checkNotNull(_this.get$_debug_event$_$this()._eventData, _s10_, "eventData", t1), A.BuiltValueNullFieldError_checkNotNull(_this.get$_debug_event$_$this()._timestamp, _s10_, "timestamp", type$.int));
+      }
       return _this._debug_event$_$v = _$result;
     }
   };
@@ -22053,17 +22505,10 @@
       return _this;
     },
     _debug_event$_build$0() {
-      var _$failedField, e, _$result0, t1, exception, t2, _this = this,
-        _s18_ = "BatchedDebugEvents",
-        _$result = null;
+      var _$failedField, e, _$result0, exception, t1, _this = this, _$result = null;
       try {
         _$result0 = _this._debug_event$_$v;
-        if (_$result0 == null) {
-          t1 = _this.get$events().build$0();
-          _$result0 = new A._$BatchedDebugEvents(t1);
-          A.BuiltValueNullFieldError_checkNotNull(t1, _s18_, "events", type$.BuiltList_DebugEvent);
-        }
-        _$result = _$result0;
+        _$result = _$result0 == null ? new A._$BatchedDebugEvents(_this.get$events().build$0()) : _$result0;
       } catch (exception) {
         _$failedField = A._Cell$named("_$failedField");
         try {
@@ -22071,15 +22516,12 @@
           _this.get$events().build$0();
         } catch (exception) {
           e = A.unwrapException(exception);
-          t1 = A.BuiltValueNestedFieldError$(_s18_, _$failedField.readLocal$0(), J.toString$0$(e));
+          t1 = A.BuiltValueNestedFieldError$("BatchedDebugEvents", _$failedField.readLocal$0(), J.toString$0$(e));
           throw A.wrapException(t1);
         }
         throw exception;
       }
-      t1 = type$.BatchedDebugEvents;
-      t2 = t1._as(_$result);
-      A.ArgumentError_checkNotNull(t2, "other", t1);
-      _this._debug_event$_$v = t2;
+      _this._debug_event$_$v = type$.BatchedDebugEvents._as(_$result);
       return _$result;
     },
     set$_events(_events) {
@@ -22299,10 +22741,7 @@
     _build$0() {
       var _this = this,
         _$result = _this._$v;
-      if (_$result == null)
-        _$result = new A._$DebugInfo(_this.get$_$this()._appEntrypointPath, _this.get$_$this()._appId, _this.get$_$this()._appInstanceId, _this.get$_$this()._appOrigin, _this.get$_$this()._appUrl, _this.get$_$this()._authUrl, _this.get$_$this()._dwdsVersion, _this.get$_$this()._extensionUrl, _this.get$_$this()._isInternalBuild, _this.get$_$this()._isFlutterApp, _this.get$_$this()._workspaceName, _this.get$_$this()._tabUrl, _this.get$_$this()._tabId);
-      A.ArgumentError_checkNotNull(_$result, "other", type$.DebugInfo);
-      return _this._$v = _$result;
+      return _this._$v = _$result == null ? new A._$DebugInfo(_this.get$_$this()._appEntrypointPath, _this.get$_$this()._appId, _this.get$_$this()._appInstanceId, _this.get$_$this()._appOrigin, _this.get$_$this()._appUrl, _this.get$_$this()._authUrl, _this.get$_$this()._dwdsVersion, _this.get$_$this()._extensionUrl, _this.get$_$this()._isInternalBuild, _this.get$_$this()._isFlutterApp, _this.get$_$this()._workspaceName, _this.get$_$this()._tabUrl, _this.get$_$this()._tabId) : _$result;
     }
   };
   A.DevToolsRequest.prototype = {};
@@ -22408,8 +22847,7 @@
       return this.serialize$3$specifiedType(serializers, object, B.FullType_null_List_empty_false);
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
-      var t1, value, _$result, t2, t3,
-        _s15_ = "promptExtension",
+      var t1, value, _$result,
         _s16_ = "DevToolsResponse",
         result = new A.DevToolsResponseBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
@@ -22441,13 +22879,8 @@
       _$result = result._devtools_request$_$v;
       if (_$result == null) {
         t1 = type$.bool;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(result.get$_devtools_request$_$this()._success, _s16_, "success", t1);
-        t3 = A.BuiltValueNullFieldError_checkNotNull(result.get$_devtools_request$_$this()._promptExtension, _s16_, _s15_, t1);
-        _$result = new A._$DevToolsResponse(t2, t3, result.get$_devtools_request$_$this()._error);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s16_, "success", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t3, _s16_, _s15_, t1);
+        _$result = new A._$DevToolsResponse(A.BuiltValueNullFieldError_checkNotNull(result.get$_devtools_request$_$this()._success, _s16_, "success", t1), A.BuiltValueNullFieldError_checkNotNull(result.get$_devtools_request$_$this()._promptExtension, _s16_, "promptExtension", t1), result.get$_devtools_request$_$this()._error);
       }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.DevToolsResponse);
       return result._devtools_request$_$v = _$result;
     },
     deserialize$2(serializers, serialized) {
@@ -22504,19 +22937,13 @@
       return _this;
     },
     _devtools_request$_build$0() {
-      var t1, t2, t3, _this = this,
+      var t1, _this = this,
         _s15_ = "DevToolsRequest",
-        _s10_ = "instanceId",
         _$result = _this._devtools_request$_$v;
       if (_$result == null) {
         t1 = type$.String;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_devtools_request$_$this()._devtools_request$_appId, _s15_, "appId", t1);
-        t3 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_devtools_request$_$this()._devtools_request$_instanceId, _s15_, _s10_, t1);
-        _$result = new A._$DevToolsRequest(t2, t3, _this.get$_devtools_request$_$this()._contextId, _this.get$_devtools_request$_$this()._devtools_request$_tabUrl, _this.get$_devtools_request$_$this()._uriOnly, _this.get$_devtools_request$_$this()._devtools_request$_client);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s15_, "appId", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t3, _s15_, _s10_, t1);
+        _$result = new A._$DevToolsRequest(A.BuiltValueNullFieldError_checkNotNull(_this.get$_devtools_request$_$this()._devtools_request$_appId, _s15_, "appId", t1), A.BuiltValueNullFieldError_checkNotNull(_this.get$_devtools_request$_$this()._devtools_request$_instanceId, _s15_, "instanceId", t1), _this.get$_devtools_request$_$this()._contextId, _this.get$_devtools_request$_$this()._devtools_request$_tabUrl, _this.get$_devtools_request$_$this()._uriOnly, _this.get$_devtools_request$_$this()._devtools_request$_client);
       }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.DevToolsRequest);
       return _this._devtools_request$_$v = _$result;
     }
   };
@@ -22567,8 +22994,7 @@
       return this.serialize$3$specifiedType(serializers, object, B.FullType_null_List_empty_false);
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
-      var t1, value, $$v, _$result, t2, t3,
-        _s10_ = "stackTrace",
+      var t1, value, $$v, _$result,
         _s13_ = "ErrorResponse",
         result = new A.ErrorResponseBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
@@ -22608,13 +23034,8 @@
       _$result = result._error_response$_$v;
       if (_$result == null) {
         t1 = type$.String;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(result.get$_error_response$_$this()._error_response$_error, _s13_, "error", t1);
-        t3 = A.BuiltValueNullFieldError_checkNotNull(result.get$_error_response$_$this()._error_response$_stackTrace, _s13_, _s10_, t1);
-        _$result = new A._$ErrorResponse(t2, t3);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s13_, "error", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t3, _s13_, _s10_, t1);
+        _$result = new A._$ErrorResponse(A.BuiltValueNullFieldError_checkNotNull(result.get$_error_response$_$this()._error_response$_error, _s13_, "error", t1), A.BuiltValueNullFieldError_checkNotNull(result.get$_error_response$_$this()._error_response$_stackTrace, _s13_, "stackTrace", t1));
       }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.ErrorResponse);
       return result._error_response$_$v = _$result;
     },
     deserialize$2(serializers, serialized) {
@@ -22680,7 +23101,7 @@
       return this.serialize$3$specifiedType(serializers, object, B.FullType_null_List_empty_false);
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
-      var t1, value, _$result, t2, t3, t4,
+      var t1, value, _$result,
         _s16_ = "ExtensionRequest",
         result = new A.ExtensionRequestBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
@@ -22710,17 +23131,7 @@
         }
       }
       _$result = result._extension_request$_$v;
-      if (_$result == null) {
-        t1 = type$.int;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._id, _s16_, "id", t1);
-        t3 = type$.String;
-        t4 = A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._command, _s16_, "command", t3);
-        _$result = new A._$ExtensionRequest(t2, t4, result.get$_extension_request$_$this()._commandParams);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s16_, "id", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t4, _s16_, "command", t3);
-      }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.ExtensionRequest);
-      return result._extension_request$_$v = _$result;
+      return result._extension_request$_$v = _$result == null ? new A._$ExtensionRequest(A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._id, _s16_, "id", type$.int), A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._command, _s16_, "command", type$.String), result.get$_extension_request$_$this()._commandParams) : _$result;
     },
     deserialize$2(serializers, serialized) {
       return this.deserialize$3$specifiedType(serializers, serialized, B.FullType_null_List_empty_false);
@@ -22750,7 +23161,7 @@
       return this.serialize$3$specifiedType(serializers, object, B.FullType_null_List_empty_false);
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
-      var t1, value, _$result, t2, t3, t4, t5, t6,
+      var t1, value, _$result,
         _s17_ = "ExtensionResponse",
         result = new A.ExtensionResponseBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
@@ -22786,20 +23197,7 @@
         }
       }
       _$result = result._extension_request$_$v;
-      if (_$result == null) {
-        t1 = type$.int;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._id, _s17_, "id", t1);
-        t3 = type$.bool;
-        t4 = A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._extension_request$_success, _s17_, "success", t3);
-        t5 = type$.String;
-        t6 = A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._extension_request$_result, _s17_, "result", t5);
-        _$result = new A._$ExtensionResponse(t2, t4, t6, result.get$_extension_request$_$this()._extension_request$_error);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s17_, "id", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t4, _s17_, "success", t3);
-        A.BuiltValueNullFieldError_checkNotNull(t6, _s17_, "result", t5);
-      }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.ExtensionResponse);
-      return result._extension_request$_$v = _$result;
+      return result._extension_request$_$v = _$result == null ? new A._$ExtensionResponse(A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._id, _s17_, "id", type$.int), A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._extension_request$_success, _s17_, "success", type$.bool), A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._extension_request$_result, _s17_, "result", type$.String), result.get$_extension_request$_$this()._extension_request$_error) : _$result;
     },
     deserialize$2(serializers, serialized) {
       return this.deserialize$3$specifiedType(serializers, serialized, B.FullType_null_List_empty_false);
@@ -22822,7 +23220,7 @@
       return this.serialize$3$specifiedType(serializers, object, B.FullType_null_List_empty_false);
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
-      var t1, value, $$v, _$result, t2, t3,
+      var t1, value, $$v, _$result,
         _s14_ = "ExtensionEvent",
         result = new A.ExtensionEventBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
@@ -22862,13 +23260,8 @@
       _$result = result._extension_request$_$v;
       if (_$result == null) {
         t1 = type$.String;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._params, _s14_, "params", t1);
-        t3 = A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._extension_request$_method, _s14_, "method", t1);
-        _$result = new A._$ExtensionEvent(t2, t3);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s14_, "params", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t3, _s14_, "method", t1);
+        _$result = new A._$ExtensionEvent(A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._params, _s14_, "params", t1), A.BuiltValueNullFieldError_checkNotNull(result.get$_extension_request$_$this()._extension_request$_method, _s14_, "method", t1));
       }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.ExtensionEvent);
       return result._extension_request$_$v = _$result;
     },
     deserialize$2(serializers, serialized) {
@@ -23104,17 +23497,10 @@
       return t1;
     },
     _extension_request$_build$0() {
-      var _$failedField, e, _$result0, t1, exception, t2, _this = this,
-        _s13_ = "BatchedEvents",
-        _$result = null;
+      var _$failedField, e, _$result0, exception, t1, _this = this, _$result = null;
       try {
         _$result0 = _this._extension_request$_$v;
-        if (_$result0 == null) {
-          t1 = _this.get$events().build$0();
-          _$result0 = new A._$BatchedEvents(t1);
-          A.BuiltValueNullFieldError_checkNotNull(t1, _s13_, "events", type$.BuiltList_ExtensionEvent);
-        }
-        _$result = _$result0;
+        _$result = _$result0 == null ? new A._$BatchedEvents(_this.get$events().build$0()) : _$result0;
       } catch (exception) {
         _$failedField = A._Cell$named("_$failedField");
         try {
@@ -23122,15 +23508,12 @@
           _this.get$events().build$0();
         } catch (exception) {
           e = A.unwrapException(exception);
-          t1 = A.BuiltValueNestedFieldError$(_s13_, _$failedField.readLocal$0(), J.toString$0$(e));
+          t1 = A.BuiltValueNestedFieldError$("BatchedEvents", _$failedField.readLocal$0(), J.toString$0$(e));
           throw A.wrapException(t1);
         }
         throw exception;
       }
-      t1 = type$.BatchedEvents;
-      t2 = t1._as(_$result);
-      A.ArgumentError_checkNotNull(t2, "other", t1);
-      _this._extension_request$_$v = t2;
+      _this._extension_request$_$v = type$.BatchedEvents._as(_$result);
       return _$result;
     },
     set$_extension_request$_events(_events) {
@@ -23146,8 +23529,7 @@
       return this.serialize$3$specifiedType(serializers, object, B.FullType_null_List_empty_false);
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
-      var t1, value, $$v, _$result, t2,
-        _s16_ = "HotReloadRequest",
+      var t1, value, $$v, _$result,
         result = new A.HotReloadRequestBuilder(),
         iterator = J.get$iterator$ax(type$.Iterable_nullable_Object._as(serialized));
       for (; iterator.moveNext$0();) {
@@ -23171,14 +23553,7 @@
         }
       }
       _$result = result._hot_reload_request$_$v;
-      if (_$result == null) {
-        t1 = type$.String;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(result.get$_hot_reload_request$_$this()._hot_reload_request$_id, _s16_, "id", t1);
-        _$result = new A._$HotReloadRequest(t2);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s16_, "id", t1);
-      }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.HotReloadRequest);
-      return result._hot_reload_request$_$v = _$result;
+      return result._hot_reload_request$_$v = _$result == null ? new A._$HotReloadRequest(A.BuiltValueNullFieldError_checkNotNull(result.get$_hot_reload_request$_$this()._hot_reload_request$_id, "HotReloadRequest", "id", type$.String)) : _$result;
     },
     deserialize$2(serializers, serialized) {
       return this.deserialize$3$specifiedType(serializers, serialized, B.FullType_null_List_empty_false);
@@ -23326,20 +23701,10 @@
       return _this;
     },
     _hot_reload_response$_build$0() {
-      var t1, t2, t3, t4, _this = this,
+      var _this = this,
         _s17_ = "HotReloadResponse",
         _$result = _this._hot_reload_response$_$v;
-      if (_$result == null) {
-        t1 = type$.String;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_hot_reload_response$_$this()._hot_reload_response$_id, _s17_, "id", t1);
-        t3 = type$.bool;
-        t4 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_hot_reload_response$_$this()._hot_reload_response$_success, _s17_, "success", t3);
-        _$result = new A._$HotReloadResponse(t2, t4, _this.get$_hot_reload_response$_$this()._errorMessage);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s17_, "id", t1);
-        A.BuiltValueNullFieldError_checkNotNull(t4, _s17_, "success", t3);
-      }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.HotReloadResponse);
-      return _this._hot_reload_response$_$v = _$result;
+      return _this._hot_reload_response$_$v = _$result == null ? new A._$HotReloadResponse(A.BuiltValueNullFieldError_checkNotNull(_this.get$_hot_reload_response$_$this()._hot_reload_response$_id, _s17_, "id", type$.String), A.BuiltValueNullFieldError_checkNotNull(_this.get$_hot_reload_response$_$this()._hot_reload_response$_success, _s17_, "success", type$.bool), _this.get$_hot_reload_response$_$this()._errorMessage) : _$result;
     }
   };
   A.IsolateExit.prototype = {};
@@ -23410,10 +23775,7 @@
   A.IsolateExitBuilder.prototype = {
     _isolate_events$_build$0() {
       var _$result = this._isolate_events$_$v;
-      if (_$result == null)
-        _$result = new A._$IsolateExit();
-      A.ArgumentError_checkNotNull(_$result, "other", type$.IsolateExit);
-      return this._isolate_events$_$v = _$result;
+      return this._isolate_events$_$v = _$result == null ? new A._$IsolateExit() : _$result;
     }
   };
   A._$IsolateStart.prototype = {
@@ -23434,10 +23796,7 @@
   A.IsolateStartBuilder.prototype = {
     _isolate_events$_build$0() {
       var _$result = this._isolate_events$_$v;
-      if (_$result == null)
-        _$result = new A._$IsolateStart();
-      A.ArgumentError_checkNotNull(_$result, "other", type$.IsolateStart);
-      return this._isolate_events$_$v = _$result;
+      return this._isolate_events$_$v = _$result == null ? new A._$IsolateStart() : _$result;
     }
   };
   A.RegisterEvent.prototype = {};
@@ -23531,22 +23890,10 @@
       return _this;
     },
     _register_event$_build$0() {
-      var t1, t2, t3, t4, _this = this,
+      var _this = this,
         _s13_ = "RegisterEvent",
-        _s9_ = "eventData",
-        _s9_0 = "timestamp",
         _$result = _this._register_event$_$v;
-      if (_$result == null) {
-        t1 = type$.String;
-        t2 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_register_event$_$this()._register_event$_eventData, _s13_, _s9_, t1);
-        t3 = type$.int;
-        t4 = A.BuiltValueNullFieldError_checkNotNull(_this.get$_register_event$_$this()._register_event$_timestamp, _s13_, _s9_0, t3);
-        _$result = new A._$RegisterEvent(t2, t4);
-        A.BuiltValueNullFieldError_checkNotNull(t2, _s13_, _s9_, t1);
-        A.BuiltValueNullFieldError_checkNotNull(t4, _s13_, _s9_0, t3);
-      }
-      A.ArgumentError_checkNotNull(_$result, "other", type$.RegisterEvent);
-      return _this._register_event$_$v = _$result;
+      return _this._register_event$_$v = _$result == null ? new A._$RegisterEvent(A.BuiltValueNullFieldError_checkNotNull(_this.get$_register_event$_$this()._register_event$_eventData, _s13_, "eventData", type$.String), A.BuiltValueNullFieldError_checkNotNull(_this.get$_register_event$_$this()._register_event$_timestamp, _s13_, "timestamp", type$.int)) : _$result;
     }
   };
   A.RunRequest.prototype = {};
@@ -23559,11 +23906,8 @@
       return this.serialize$3$specifiedType(serializers, object, B.FullType_null_List_empty_false);
     },
     deserialize$3$specifiedType(serializers, serialized, specifiedType) {
-      var _$result;
       type$.Iterable_nullable_Object._as(serialized);
-      _$result = new A._$RunRequest();
-      A.ArgumentError_checkNotNull(_$result, "other", type$.RunRequest);
-      return _$result;
+      return new A._$RunRequest();
     },
     deserialize$2(serializers, serialized) {
       return this.deserialize$3$specifiedType(serializers, serialized, B.FullType_null_List_empty_false);
@@ -23596,19 +23940,19 @@
     call$0() {
       return A.ListBuilder_ListBuilder(B.List_empty0, type$.DebugEvent);
     },
-    $signature: 40
+    $signature: 41
   };
   A._$serializers_closure0.prototype = {
     call$0() {
       return A.ListBuilder_ListBuilder(B.List_empty0, type$.ExtensionEvent);
     },
-    $signature: 41
+    $signature: 42
   };
   A.BatchedStreamController.prototype = {
     _batchAndSendEvents$0() {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.void),
-        $async$self = this, t2, t3, t4, t5, t6, t7, t8, lastSendTime0, lastEvent, duration, t1, buffer, lastSendTime, $async$temp1, $async$temp2;
+        $async$self = this, t2, t3, t4, t5, t6, t7, t8, now, lastEvent, duration, t1, buffer, lastSendTime, $async$temp1, $async$temp2;
       var $async$_batchAndSendEvents$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -23620,7 +23964,7 @@
               t1 = $async$self.$ti;
               buffer = A._setArrayType([], t1._eval$1("JSArray<1>"));
               lastSendTime = Date.now();
-              t2 = $async$self._batchDelayMilliseconds, t3 = $async$self._outputController, t4 = A._instanceType(t3), t1 = t1._precomputed1, t5 = t4._precomputed1, t4 = t4._eval$1("_DelayedData<1>");
+              t2 = $async$self._batchDelayMilliseconds, t3 = $async$self._outputController, t4 = A._instanceType(t3), t1 = t1._precomputed1, t5 = t4._eval$1("_DelayedData<1>");
             case 2:
               // for condition
               $async$goto = 4;
@@ -23654,11 +23998,11 @@
               $async$temp1.add$1($async$temp2, $async$result);
             case 6:
               // join
-              lastSendTime0 = Date.now();
-              if (lastSendTime0 > lastSendTime + t2) {
+              now = Date.now();
+              if (now > lastSendTime + t2) {
                 if (buffer.length !== 0) {
                   t6 = A.List_List$_of(buffer, t1);
-                  t5._as(t6);
+                  t4._precomputed1._as(t6);
                   t7 = t3._state;
                   if (t7 >= 4)
                     A.throwExpression(t3._badEventState$0());
@@ -23666,7 +24010,7 @@
                     t3._sendData$1(t6);
                   else if ((t7 & 3) === 0) {
                     t7 = t3._ensurePendingEvents$0();
-                    t6 = new A._DelayedData(t6, t4);
+                    t6 = new A._DelayedData(t6, t5);
                     lastEvent = t7.lastPendingEvent;
                     if (lastEvent == null)
                       t7.firstPendingEvent = t7.lastPendingEvent = t6;
@@ -23677,7 +24021,7 @@
                   }
                   B.JSArray_methods.clear$0(buffer);
                 }
-                lastSendTime = lastSendTime0;
+                lastSendTime = now;
               }
               // goto for condition
               $async$goto = 2;
@@ -23686,7 +24030,7 @@
               // after for
               if (buffer.length !== 0) {
                 t1 = A.List_List$_of(buffer, t1);
-                t3.add$1(0, t5._as(t1));
+                t3.add$1(0, t4._precomputed1._as(t1));
               }
               $async$self._completer.complete$1(true);
               // implicit return
@@ -23710,13 +24054,13 @@
     call$0() {
       return true;
     },
-    $signature: 34
+    $signature: 32
   };
   A.BatchedStreamController__hasEventDuring_closure.prototype = {
     call$0() {
       return false;
     },
-    $signature: 34
+    $signature: 32
   };
   A.SocketClient.prototype = {};
   A.SseSocketClient.prototype = {
@@ -23739,7 +24083,6 @@
         t2 === $ && A.throwLateFieldNI("_foreign");
         t2 = t2.__GuaranteeChannel__sink_F;
         t2 === $ && A.throwLateFieldNI("_sink");
-        value !== $ && A.throwLateFieldADI("sink");
         value = t1.__AdapterWebSocketChannel_sink_FI = new A._WebSocketSink(t1, t2);
       }
       return value;
@@ -23758,14 +24101,14 @@
     call$1(o) {
       return J.toString$0$(o);
     },
-    $signature: 43
+    $signature: 44
   };
   A.safeUnawaited_closure.prototype = {
     call$2(error, stackTrace) {
       type$.StackTrace._as(stackTrace);
       return $.$get$_logger().log$4(B.Level_WARNING_900, "Error in unawaited Future:", error, stackTrace);
     },
-    $signature: 21
+    $signature: 22
   };
   A.Int32.prototype = {
     _toInt$1(val) {
@@ -23889,6 +24232,7 @@
     $isComparable: 1
   };
   A._StackState.prototype = {};
+  A.RequestAbortedException.prototype = {};
   A.BaseClient.prototype = {
     _sendUnstreamed$3(method, url, headers) {
       var $async$goto = 0,
@@ -23934,26 +24278,34 @@
     call$2(key1, key2) {
       return A._asString(key1).toLowerCase() === A._asString(key2).toLowerCase();
     },
-    $signature: 44
+    $signature: 45
   };
   A.BaseRequest_closure0.prototype = {
     call$1(key) {
       return B.JSString_methods.get$hashCode(A._asString(key).toLowerCase());
     },
-    $signature: 45
+    $signature: 46
   };
   A.BaseResponse.prototype = {
     BaseResponse$7$contentLength$headers$isRedirect$persistentConnection$reasonPhrase$request(statusCode, contentLength, headers, isRedirect, persistentConnection, reasonPhrase, request) {
       var t1 = this.statusCode;
       if (t1 < 100)
         throw A.wrapException(A.ArgumentError$("Invalid status code " + t1 + ".", null));
+      else {
+        t1 = this.contentLength;
+        if (t1 != null && t1 < 0)
+          throw A.wrapException(A.ArgumentError$("Invalid content length " + A.S(t1) + ".", null));
+      }
     }
   };
   A.BrowserClient.prototype = {
     send$1(request) {
+      return this.send$body$BrowserClient(request);
+    },
+    send$body$BrowserClient(request) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.StreamedResponse),
-        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, xhr, completer, bytes, t1, t2, header, t3;
+        $async$returnValue, $async$handler = 2, $async$errorStack = [], $async$next = [], $async$self = this, bodyBytes, _0_0, _0_2, _0_2_isSet, abortTrigger, t1, _1_0, contentLength, header, response, contentLengthHeader, contentLength0, headers, e, st, t4, t5, _this, t6, t7, t8, t9, result, exception, t2, abortController, t3, $async$exception;
       var $async$send$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1) {
           $async$errorStack.push($async$result);
@@ -23963,55 +24315,109 @@
           switch ($async$goto) {
             case 0:
               // Function start
+              t2 = init.G;
+              abortController = A._asJSObject(new t2.AbortController());
+              t3 = $async$self._openRequestAbortControllers;
+              B.JSArray_methods.add$1(t3, abortController);
               request.super$BaseRequest$finalize();
+              t4 = type$._AsyncStreamController_List_int;
+              t5 = new A._AsyncStreamController(null, null, null, null, t4);
+              t5._add$1(request._bodyBytes);
+              t5._closeUnchecked$0();
               $async$goto = 3;
-              return A._asyncAwait(new A.ByteStream(A.Stream_Stream$value(request._bodyBytes, type$.List_int)).toBytes$0(), $async$send$1);
+              return A._asyncAwait(new A.ByteStream(new A._ControllerStream(t5, t4._eval$1("_ControllerStream<1>"))).toBytes$0(), $async$send$1);
             case 3:
               // returning from await.
-              bytes = $async$result;
-              xhr = type$.JSObject._as(new init.G.XMLHttpRequest());
-              t1 = $async$self._xhrs;
-              t1.add$1(0, xhr);
-              t2 = xhr;
-              t2.open(request.method, request.url.toString$0(0), true);
-              t2.responseType = "arraybuffer";
-              t2.withCredentials = $async$self.withCredentials;
-              for (t2 = request.headers, t2 = new A.LinkedHashMapEntriesIterable(t2, A._instanceType(t2)._eval$1("LinkedHashMapEntriesIterable<1,2>")).get$iterator(0); t2.moveNext$0();) {
-                header = t2.__js_helper$_current;
-                xhr.setRequestHeader(header.key, header.value);
+              bodyBytes = $async$result;
+              $async$handler = 5;
+              _0_0 = request;
+              _0_2 = null;
+              _0_2_isSet = false;
+              abortTrigger = null;
+              t4 = request.url;
+              _this = t4.toString$0(0);
+              t5 = !J.get$isEmpty$asx(bodyBytes) ? bodyBytes : null;
+              t6 = $async$self.withCredentials ? "include" : "same-origin";
+              t7 = type$.String;
+              t1 = A.LinkedHashMap_LinkedHashMap$_empty(t7, type$.Object);
+              _1_0 = request._bodyBytes.length;
+              contentLength = null;
+              if (_1_0 != null) {
+                contentLength = _1_0;
+                J.$indexSet$ax(t1, "content-length", contentLength);
               }
-              completer = new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_StreamedResponse), type$._AsyncCompleter_StreamedResponse);
-              t2 = type$._EventStream_JSObject;
-              t3 = type$.void;
-              new A._EventStream(xhr, "load", false, t2).get$first(0).then$1$1(new A.BrowserClient_send_closure(xhr, completer, request), t3);
-              new A._EventStream(xhr, "error", false, t2).get$first(0).then$1$1(new A.BrowserClient_send_closure0(completer, request), t3);
-              xhr.send(bytes);
-              $async$handler = 4;
-              $async$goto = 7;
-              return A._asyncAwait(completer.future, $async$send$1);
-            case 7:
+              for (t8 = request.headers, t8 = new A.LinkedHashMapEntriesIterable(t8, A._instanceType(t8)._eval$1("LinkedHashMapEntriesIterable<1,2>")).get$iterator(0); t8.moveNext$0();) {
+                t9 = t8.__js_helper$_current;
+                t9.toString;
+                header = t9;
+                J.$indexSet$ax(t1, header.key, header.value);
+              }
+              t1 = A.jsify(t1);
+              t1.toString;
+              A._asJSObject(t1);
+              t8 = A._asJSObject(abortController.signal);
+              $async$goto = 8;
+              return A._asyncAwait(A.promiseToFuture(A._asJSObject(t2.fetch(_this, {method: request.method, headers: t1, body: t5, credentials: t6, redirect: "follow", signal: t8})), type$.JSObject), $async$send$1);
+            case 8:
               // returning from await.
-              t2 = $async$result;
-              $async$returnValue = t2;
+              response = $async$result;
+              contentLengthHeader = A._asStringQ(A._asJSObject(response.headers).get("content-length"));
+              contentLength0 = contentLengthHeader != null ? A.Primitives_parseInt(contentLengthHeader, null) : null;
+              if (contentLength0 == null && contentLengthHeader != null) {
+                t1 = A.ClientException$("Invalid content-length header [" + contentLengthHeader + "].", t4);
+                throw A.wrapException(t1);
+              }
+              headers = A.LinkedHashMap_LinkedHashMap$_empty(t7, t7);
+              t1 = A._asJSObject(response.headers);
+              t2 = new A.BrowserClient_send_closure(headers);
+              if (typeof t2 == "function")
+                A.throwExpression(A.ArgumentError$("Attempting to rewrap a JS function.", null));
+              result = function(_call, f) {
+                return function(arg1, arg2, arg3) {
+                  return _call(f, arg1, arg2, arg3, arguments.length);
+                };
+              }(A._callDartFunctionFast3, t2);
+              result[$.$get$DART_CLOSURE_PROPERTY_NAME()] = t2;
+              t1.forEach(result);
+              t1 = A._readBody(request, response);
+              t2 = A._asInt(response.status);
+              t4 = headers;
+              t5 = contentLength0;
+              A.Uri_parse(A._asString(response.url));
+              t6 = A._asString(response.statusText);
+              t1 = new A.StreamedResponseV2(A.toByteStream(t1), request, t2, t6, t5, t4, false, true);
+              t1.BaseResponse$7$contentLength$headers$isRedirect$persistentConnection$reasonPhrase$request(t2, t5, t4, false, true, t6, request);
+              $async$returnValue = t1;
               $async$next = [1];
               // goto finally
-              $async$goto = 5;
+              $async$goto = 6;
               break;
-              $async$next.push(6);
+              $async$next.push(7);
               // goto finally
-              $async$goto = 5;
+              $async$goto = 6;
+              break;
+            case 5:
+              // catch
+              $async$handler = 4;
+              $async$exception = $async$errorStack.pop();
+              e = A.unwrapException($async$exception);
+              st = A.getTraceFromException($async$exception);
+              A._rethrowAsClientException(e, st, request);
+              $async$next.push(7);
+              // goto finally
+              $async$goto = 6;
               break;
             case 4:
               // uncaught
               $async$next = [2];
-            case 5:
+            case 6:
               // finally
               $async$handler = 2;
-              t1.remove$1(0, xhr);
+              B.JSArray_methods.remove$1(t3, abortController);
               // goto the next finally handler
               $async$goto = $async$next.pop();
               break;
-            case 6:
+            case 7:
               // after finally
             case 1:
               // return
@@ -24025,42 +24431,27 @@
     }
   };
   A.BrowserClient_send_closure.prototype = {
+    call$3(value, header, _) {
+      A._asString(value);
+      this.headers.$indexSet(0, A._asString(header).toLowerCase(), value);
+    },
+    call$2(value, header) {
+      return this.call$3(value, header, null);
+    },
+    $signature: 47
+  };
+  A._readBody_closure.prototype = {
     call$1(_) {
-      var t1, _0_0, t2, body, responseUrl, t3, t4, t5, t6, _this = this;
-      type$.JSObject._as(_);
-      t1 = _this.xhr;
-      _0_0 = A._extension_0_get_responseHeaders(t1).$index(0, "content-length");
-      t2 = false;
-      if (_0_0 != null) {
-        t2 = $.$get$_digitRegex();
-        t2 = !t2._nativeRegExp.test(_0_0);
-      }
-      if (t2) {
-        _this.completer.completeError$1(new A.ClientException("Invalid content-length header [" + _0_0 + "].", _this.request.url));
-        return;
-      }
-      body = A.NativeUint8List_NativeUint8List$view(type$.NativeByteBuffer._as(t1.response), 0, null);
-      responseUrl = A._asString(t1.responseURL);
-      if (responseUrl.length !== 0)
-        A.Uri_parse(responseUrl);
-      t2 = A.Stream_Stream$value(body, type$.List_int);
-      t3 = A._asInt(t1.status);
-      t4 = body.length;
-      t5 = _this.request;
-      t6 = A._extension_0_get_responseHeaders(t1);
-      t1 = A._asString(t1.statusText);
-      t2 = new A.StreamedResponseV2(A.toByteStream(new A.ByteStream(t2)), t5, t3, t1, t4, t6, false, true);
-      t2.BaseResponse$7$contentLength$headers$isRedirect$persistentConnection$reasonPhrase$request(t3, t4, t6, false, true, t1, t5);
-      _this.completer.complete$1(t2);
+      return null;
     },
-    $signature: 8
+    $signature: 4
   };
-  A.BrowserClient_send_closure0.prototype = {
+  A._readBody_closure0.prototype = {
     call$1(_) {
-      type$.JSObject._as(_);
-      this.completer.completeError$2(new A.ClientException("XMLHttpRequest error.", this.request.url), A.StackTrace_current());
+      A._asObject(_);
+      return this._box_0.isError;
     },
-    $signature: 8
+    $signature: 48
   };
   A.ByteStream.prototype = {
     toBytes$0() {
@@ -24075,7 +24466,7 @@
     call$1(bytes) {
       return this.completer.complete$1(new Uint8Array(A._ensureNativeList(type$.List_int._as(bytes))));
     },
-    $signature: 47
+    $signature: 49
   };
   A.ClientException.prototype = {
     toString$0(_) {
@@ -24163,7 +24554,7 @@
       scanner.expectDone$0();
       return A.MediaType$(t4, t5, parameters);
     },
-    $signature: 48
+    $signature: 50
   };
   A.MediaType_toString_closure.prototype = {
     call$2(attribute, value) {
@@ -24182,13 +24573,13 @@
       } else
         t1._contents = t3 + value;
     },
-    $signature: 49
+    $signature: 51
   };
   A.MediaType_toString__closure.prototype = {
     call$1(match) {
       return "\\" + A.S(match.$index(0, 0));
     },
-    $signature: 32
+    $signature: 31
   };
   A.expectQuotedString_closure.prototype = {
     call$1(match) {
@@ -24196,7 +24587,7 @@
       t1.toString;
       return t1;
     },
-    $signature: 32
+    $signature: 31
   };
   A.Level.prototype = {
     $eq(_, other) {
@@ -24244,7 +24635,7 @@
       var record, _this = this,
         t1 = logLevel.value;
       if (t1 >= _this.get$level().value) {
-        if (stackTrace == null && t1 >= 2000) {
+        if ((stackTrace == null || stackTrace === B._StringStackTrace_OdL) && t1 >= 2000) {
           A.StackTrace_current();
           if (error == null)
             logLevel.toString$0(0);
@@ -24285,7 +24676,7 @@
         $parent._children.$indexSet(0, thisName, t1);
       return t1;
     },
-    $signature: 51
+    $signature: 53
   };
   A.Context.prototype = {
     absolute$15(part1, part2, part3, part4, part5, part6, part7, part8, part9, part10, part11, part12, part13, part14, part15) {
@@ -24361,7 +24752,7 @@
       return parsed.toString$0(0);
     },
     _needsNormalization$1(path) {
-      var t2, i, start, previous, t3, previousPrevious, codeUnit, t4,
+      var t2, i, start, previous, previousPrevious, codeUnit, t3,
         t1 = this.style,
         root = t1.rootLength$1(path);
       if (root !== 0) {
@@ -24378,20 +24769,20 @@
         start = 0;
         previous = null;
       }
-      for (t2 = new A.CodeUnits(path).__internal$_string, t3 = t2.length, i = start, previousPrevious = null; i < t3; ++i, previousPrevious = previous, previous = codeUnit) {
+      for (t2 = path.length, i = start, previousPrevious = null; i < t2; ++i, previousPrevious = previous, previous = codeUnit) {
         if (!(i >= 0))
-          return A.ioore(t2, i);
-        codeUnit = t2.charCodeAt(i);
+          return A.ioore(path, i);
+        codeUnit = path.charCodeAt(i);
         if (t1.isSeparator$1(codeUnit)) {
           if (t1 === $.$get$Style_windows() && codeUnit === 47)
             return true;
           if (previous != null && t1.isSeparator$1(previous))
             return true;
           if (previous === 46)
-            t4 = previousPrevious == null || previousPrevious === 46 || t1.isSeparator$1(previousPrevious);
+            t3 = previousPrevious == null || previousPrevious === 46 || t1.isSeparator$1(previousPrevious);
           else
-            t4 = false;
-          if (t4)
+            t3 = false;
+          if (t3)
             return true;
         }
       }
@@ -24519,20 +24910,20 @@
     call$1(part) {
       return A._asString(part) !== "";
     },
-    $signature: 31
+    $signature: 29
   };
   A.Context_split_closure.prototype = {
     call$1(part) {
       return A._asString(part).length !== 0;
     },
-    $signature: 31
+    $signature: 29
   };
   A._validateArgList_closure.prototype = {
     call$1(arg) {
       A._asStringQ(arg);
       return arg == null ? "null" : '"' + arg + '"';
     },
-    $signature: 106
+    $signature: 55
   };
   A.InternalStyle.prototype = {
     getRoot$1(path) {
@@ -24986,11 +25377,11 @@
       var t1 = this.$this;
       t1._onReleaseCompleters.removeFirst$0().complete$1(new A.PoolResource(t1));
     },
-    $signature: 6
+    $signature: 4
   };
   A.Pool__runOnRelease_closure0.prototype = {
     call$2(error, stackTrace) {
-      type$.Object._as(error);
+      A._asObject(error);
       type$.StackTrace._as(stackTrace);
       this.$this._onReleaseCompleters.removeFirst$0().completeError$2(error, stackTrace);
     },
@@ -25363,10 +25754,9 @@
         t4 = t1.__internal$_current;
         if (t4 == null)
           t4 = t2._as(t4);
-        if (t4 === 9) {
-          t4 = B.JSString_methods.$mul(" ", 4);
-          t3._contents += t4;
-        } else {
+        if (t4 === 9)
+          t3._contents += B.JSString_methods.$mul(" ", 4);
+        else {
           t4 = A.Primitives_stringFromCharCode(t4);
           t3._contents += t4;
         }
@@ -25427,7 +25817,7 @@
     call$0() {
       return this.color;
     },
-    $signature: 54
+    $signature: 56
   };
   A.Highlighter$__closure.prototype = {
     call$1(line) {
@@ -25435,7 +25825,7 @@
         t2 = A._arrayInstanceType(t1);
       return new A.WhereIterable(t1, t2._eval$1("bool(1)")._as(new A.Highlighter$___closure()), t2._eval$1("WhereIterable<1>")).get$length(0);
     },
-    $signature: 55
+    $signature: 57
   };
   A.Highlighter$___closure.prototype = {
     call$1(highlight) {
@@ -25448,21 +25838,21 @@
     call$1(line) {
       return type$._Line._as(line).url;
     },
-    $signature: 57
+    $signature: 59
   };
   A.Highlighter__collateLines_closure.prototype = {
     call$1(highlight) {
       var t1 = type$._Highlight._as(highlight).span.get$sourceUrl();
       return t1 == null ? new A.Object() : t1;
     },
-    $signature: 58
+    $signature: 60
   };
   A.Highlighter__collateLines_closure0.prototype = {
     call$2(highlight1, highlight2) {
       var t1 = type$._Highlight;
       return t1._as(highlight1).span.compareTo$1(0, t1._as(highlight2).span);
     },
-    $signature: 59
+    $signature: 61
   };
   A.Highlighter__collateLines_closure1.prototype = {
     call$1(entry) {
@@ -25505,7 +25895,7 @@
       }
       return lines;
     },
-    $signature: 60
+    $signature: 62
   };
   A.Highlighter__collateLines__closure.prototype = {
     call$1(highlight) {
@@ -25522,9 +25912,7 @@
   };
   A.Highlighter__writeFileStart_closure.prototype = {
     call$0() {
-      var t1 = this.$this._buffer,
-        t2 = B.JSString_methods.$mul("\u2500", 2) + ">";
-      t1._contents += t2;
+      this.$this._buffer._contents += B.JSString_methods.$mul("\u2500", 2) + ">";
       return null;
     },
     $signature: 0
@@ -25614,10 +26002,9 @@
       tabsBefore = t1._countTabs$1(B.JSString_methods.substring$2(t4, 0, startColumn));
       tabsInside = t1._countTabs$1(B.JSString_methods.substring$2(t4, startColumn, endColumn));
       startColumn += tabsBefore * 3;
-      t4 = B.JSString_methods.$mul(" ", startColumn);
-      t2._contents += t4;
-      t4 = B.JSString_methods.$mul("^", Math.max(endColumn + (tabsBefore + tabsInside) * 3 - startColumn, 1));
-      return (t2._contents += t4).length - t3.length;
+      t4 = (t2._contents += B.JSString_methods.$mul(" ", startColumn)) + B.JSString_methods.$mul("^", Math.max(endColumn + (tabsBefore + tabsInside) * 3 - startColumn, 1));
+      t2._contents = t4;
+      return t4.length - t3.length;
     },
     $signature: 28
   };
@@ -25633,10 +26020,9 @@
         t1 = _this.$this,
         t2 = t1._buffer,
         t3 = t2._contents;
-      if (_this.coversWholeLine) {
-        t1 = B.JSString_methods.$mul("\u2500", 3);
-        t2._contents += t1;
-      } else
+      if (_this.coversWholeLine)
+        t2._contents = t3 + B.JSString_methods.$mul("\u2500", 3);
+      else
         t1._writeArrow$3$beginning(_this.line, Math.max(_this.highlight.span.get$end().get$column() - 1, 0), false);
       return t2._contents.length - t3.length;
     },
@@ -25676,7 +26062,7 @@
       }
       return A._Highlight__normalizeEndOfLine(A._Highlight__normalizeTrailingNewline(A._Highlight__normalizeNewlines(newSpan)));
     },
-    $signature: 62
+    $signature: 64
   };
   A._Line.prototype = {
     toString$0(_) {
@@ -25866,13 +26252,13 @@
       var t2, _this = this,
         t1 = serverUrl + "?sseClientId=" + _this._clientId;
       _this.__SseClient__serverUrl_A = t1;
-      t2 = type$.JSObject;
-      t1 = t2._as(new init.G.EventSource(t1, {withCredentials: true}));
+      t1 = A._asJSObject(new init.G.EventSource(t1, {withCredentials: true}));
       _this.__SseClient__eventSource_A = t1;
       new A._EventStream(t1, "open", false, type$._EventStream_JSObject).get$first(0).whenComplete$1(new A.SseClient_closure(_this));
       _this.__SseClient__eventSource_A.addEventListener("message", A._functionToJS1(_this.get$_onIncomingMessage()));
       _this.__SseClient__eventSource_A.addEventListener("control", A._functionToJS1(_this.get$_onIncomingControlMessage()));
       t1 = type$.nullable_void_Function_JSObject;
+      t2 = type$.JSObject;
       A._EventStreamSubscription$(_this.__SseClient__eventSource_A, "open", t1._as(new A.SseClient_closure0(_this)), false, t2);
       A._EventStreamSubscription$(_this.__SseClient__eventSource_A, "error", t1._as(new A.SseClient_closure1(_this)), false, t2);
     },
@@ -25897,14 +26283,14 @@
         t1.completeError$1(error);
     },
     _onIncomingControlMessage$1(message) {
-      var data = type$.JSObject._as(message).data;
+      var data = A._asJSObject(message).data;
       if (J.$eq$(A.dartify(data), "close"))
         this.close$0();
       else
         throw A.wrapException(A.UnsupportedError$("[" + this._clientId + '] Illegal Control Message "' + A.S(data) + '"'));
     },
     _onIncomingMessage$1(message) {
-      this._incomingController.add$1(0, A._asString(B.C_JsonCodec.decode$2$reviver(A._asString(type$.JSObject._as(message).data), null)));
+      this._incomingController.add$1(0, A._asString(B.C_JsonCodec.decode$2$reviver(A._asString(A._asJSObject(message).data), null)));
     },
     _onOutgoingDone$0() {
       this.close$0();
@@ -26008,9 +26394,8 @@
               if (t1 == null)
                 t1 = null;
               t1 = {method: "POST", body: t1, credentials: "include"};
-              t2 = type$.JSObject;
               $async$goto = 6;
-              return A._asyncAwait(A.promiseToFuture(t2._as(t2._as(init.G.window).fetch(url, t1)), t2), $async$call$0);
+              return A._asyncAwait(A.promiseToFuture(A._asJSObject(A._asJSObject(init.G.window).fetch(url, t1)), type$.JSObject), $async$call$0);
             case 6:
               // returning from await.
               $async$handler = 1;
@@ -26045,34 +26430,16 @@
       });
       return A._asyncStartSync($async$call$0, $async$completer);
     },
-    $signature: 65
-  };
-  A.generateUuidV4_generateBits.prototype = {
-    call$1(bitCount) {
-      return this.random.nextInt$1(B.JSInt_methods._shlPositive$1(1, bitCount));
-    },
-    $signature: 27
-  };
-  A.generateUuidV4_printDigits.prototype = {
-    call$2(value, count) {
-      return B.JSString_methods.padLeft$2(B.JSInt_methods.toRadixString$1(value, 16), count, "0");
-    },
-    $signature: 22
-  };
-  A.generateUuidV4_bitsDigits.prototype = {
-    call$2(bitCount, digitCount) {
-      return this.printDigits.call$2(this.generateBits.call$1(bitCount), digitCount);
-    },
-    $signature: 22
+    $signature: 67
   };
   A.GuaranteeChannel.prototype = {
     GuaranteeChannel$3$allowSinkErrors(innerSink, allowSinkErrors, _box_0, $T) {
       var _this = this,
         t1 = _this.$ti,
-        t2 = t1._eval$1("_GuaranteeSink<1>")._as(new A._GuaranteeSink(innerSink, _this, new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_dynamic), type$._AsyncCompleter_dynamic), allowSinkErrors, $T._eval$1("_GuaranteeSink<0>")));
+        t2 = t1._eval$1("_GuaranteeSink<1>")._as(new A._GuaranteeSink(innerSink, _this, new A._AsyncCompleter(new A._Future($.Zone__current, type$._Future_void), type$._AsyncCompleter_void), allowSinkErrors, $T._eval$1("_GuaranteeSink<0>")));
       _this.__GuaranteeChannel__sink_F !== $ && A.throwLateFieldAI("_sink");
       _this.__GuaranteeChannel__sink_F = t2;
-      t1 = t1._eval$1("StreamController<1>")._as(A.StreamController_StreamController(null, new A.GuaranteeChannel_closure(_box_0, _this, $T), true, $T));
+      t1 = t1._eval$1("StreamController<1>")._as(A.StreamController_StreamController(null, new A.GuaranteeChannel_closure(_box_0, _this, $T), null, true, $T));
       _this.__GuaranteeChannel__streamController_F !== $ && A.throwLateFieldAI("_streamController");
       _this.__GuaranteeChannel__streamController_F = t1;
     },
@@ -26167,7 +26534,7 @@
   A._GuaranteeSink__addError_closure.prototype = {
     call$1(_) {
     },
-    $signature: 6
+    $signature: 4
   };
   A.StreamChannelController.prototype = {};
   A.StreamChannelMixin.prototype = {$isStreamChannel: 1};
@@ -26242,30 +26609,30 @@
     }
   };
   A.RNG.prototype = {};
-  A.MathRNG.prototype = {
+  A.CryptoRNG.prototype = {
     _generateInternal$0() {
-      var t1, i, k, t2, t3,
+      var i, k, t1, t2,
         b = new Uint8Array(16);
-      for (t1 = this._rnd, i = 0; i < 16; i += 4) {
-        k = t1.nextInt$1(B.JSNumber_methods.toInt$0(Math.pow(2, 32)));
+      for (i = 0; i < 16; i += 4) {
+        k = $.$get$CryptoRNG__secureRandom().nextInt$1(B.JSNumber_methods.toInt$0(Math.pow(2, 32)));
         if (!(i < 16))
           return A.ioore(b, i);
         b[i] = k;
-        t2 = i + 1;
-        t3 = B.JSInt_methods._shrOtherPositive$1(k, 8);
-        if (!(t2 < 16))
-          return A.ioore(b, t2);
-        b[t2] = t3;
-        t3 = i + 2;
-        t2 = B.JSInt_methods._shrOtherPositive$1(k, 16);
-        if (!(t3 < 16))
-          return A.ioore(b, t3);
-        b[t3] = t2;
-        t2 = i + 3;
-        t3 = B.JSInt_methods._shrOtherPositive$1(k, 24);
+        t1 = i + 1;
+        t2 = B.JSInt_methods._shrOtherPositive$1(k, 8);
+        if (!(t1 < 16))
+          return A.ioore(b, t1);
+        b[t1] = t2;
+        t2 = i + 2;
+        t1 = B.JSInt_methods._shrOtherPositive$1(k, 16);
         if (!(t2 < 16))
           return A.ioore(b, t2);
-        b[t2] = t3;
+        b[t2] = t1;
+        t1 = i + 3;
+        t2 = B.JSInt_methods._shrOtherPositive$1(k, 24);
+        if (!(t1 < 16))
+          return A.ioore(b, t1);
+        b[t1] = t2;
       }
       return b;
     }
@@ -26448,13 +26815,13 @@
   };
   A._EventStreamSubscription_closure.prototype = {
     call$1(e) {
-      return this.onData.call$1(type$.JSObject._as(e));
+      return this.onData.call$1(A._asJSObject(e));
     },
     $signature: 2
   };
   A._EventStreamSubscription_onData_closure.prototype = {
     call$1(e) {
-      return this.handleData.call$1(type$.JSObject._as(e));
+      return this.handleData.call$1(A._asJSObject(e));
     },
     $signature: 2
   };
@@ -26500,22 +26867,22 @@
   };
   A.BrowserWebSocket_connect_closure.prototype = {
     call$1(_) {
-      type$.JSObject._as(_);
+      A._asJSObject(_);
       this.webSocketConnected.complete$1(this.browserSocket);
     },
-    $signature: 8
+    $signature: 14
   };
   A.BrowserWebSocket_connect_closure0.prototype = {
     call$1(e) {
       var t1;
-      type$.JSObject._as(e);
+      A._asJSObject(e);
       t1 = this.webSocketConnected;
       if ((t1.future._state & 30) === 0)
-        t1.completeError$1(new A.WebSocketException());
+        t1.completeError$1(new A.WebSocketException("Failed to connect WebSocket"));
       else
         this.browserSocket._browser_web_socket$_closed$2(1006, "error");
     },
-    $signature: 8
+    $signature: 14
   };
   A.BrowserWebSocket_connect_closure1.prototype = {
     call$1(e) {
@@ -26528,8 +26895,8 @@
       data = A._Cell$named("data");
       if (typeof t2 === "string")
         data.__late_helper$_value = new A.TextDataReceived(A._asString(t2));
-      else if (typeof t2 === "object" && A.JSAnyUtilityExtension_instanceOfString(type$.JSObject._as(t2), "ArrayBuffer"))
-        data.__late_helper$_value = new A.BinaryDataReceived(A.NativeUint8List_NativeUint8List$view(type$.NativeByteBuffer._as(t2), 0, null));
+      else if (typeof t2 === "object" && A.JSAnyUtilityExtension_instanceOfString(A._asJSObject(t2), "ArrayBuffer"))
+        data.__late_helper$_value = new A.BinaryDataReceived(A.NativeUint8List_NativeUint8List$view(type$.NativeArrayBuffer._as(t2), 0, null));
       else
         throw A.wrapException(A.StateError$("unexpected message type: " + J.get$runtimeType$(t2).toString$0(0)));
       t1.add$1(0, data._readLocal$0());
@@ -26539,13 +26906,13 @@
   A.BrowserWebSocket_connect_closure2.prototype = {
     call$1($event) {
       var t1;
-      type$.JSObject._as($event);
+      A._asJSObject($event);
       t1 = this.webSocketConnected;
       if ((t1.future._state & 30) === 0)
         t1.complete$1(this.browserSocket);
       this.browserSocket._browser_web_socket$_closed$2(A._asInt($event.code), A._asString($event.reason));
     },
-    $signature: 8
+    $signature: 14
   };
   A.WebSocketEvent.prototype = {};
   A.TextDataReceived.prototype = {
@@ -26594,8 +26961,25 @@
       return "CloseReceived(" + this.code + ", " + this.reason + ")";
     }
   };
-  A.WebSocketException.prototype = {$isException: 1};
-  A.WebSocketConnectionClosed.prototype = {};
+  A.WebSocketException.prototype = {
+    toString$0(_) {
+      var t1 = this.message;
+      if (t1.length === 0)
+        return "WebSocketException";
+      else
+        return "WebSocketException: " + t1;
+    },
+    $isException: 1
+  };
+  A.WebSocketConnectionClosed.prototype = {
+    toString$0(_) {
+      var t1 = this.message;
+      if (t1.length === 0)
+        return "WebSocketConnectionClosed";
+      else
+        return "WebSocketConnectionClosed: " + t1;
+    }
+  };
   A.AdapterWebSocketChannel.prototype = {
     AdapterWebSocketChannel$1(webSocket) {
       webSocket.then$1$2$onError(new A.AdapterWebSocketChannel_closure(this), new A.AdapterWebSocketChannel_closure0(this), type$.Null);
@@ -26617,7 +27001,7 @@
       A._asString(webSocket._webSocket.protocol);
       t2._readyCompleter.complete$0();
     },
-    $signature: 67
+    $signature: 69
   };
   A.AdapterWebSocketChannel__closure.prototype = {
     call$1($event) {
@@ -26653,7 +27037,7 @@
         }
       }
     },
-    $signature: 68
+    $signature: 70
   };
   A.AdapterWebSocketChannel__closure0.prototype = {
     call$1(obj) {
@@ -26699,7 +27083,7 @@
           throw exception;
       }
     },
-    $signature: 9
+    $signature: 8
   };
   A.AdapterWebSocketChannel__closure1.prototype = {
     call$0() {
@@ -26755,7 +27139,7 @@
   A.AdapterWebSocketChannel_closure0.prototype = {
     call$1(e) {
       var error, t1, t2;
-      type$.Object._as(e);
+      A._asObject(e);
       error = e instanceof A.TimeoutException ? e : new A.WebSocketChannelException(J.toString$0$(e));
       t1 = this.$this;
       t1._readyCompleter.completeError$1(error);
@@ -26768,7 +27152,7 @@
       t1 === $ && A.throwLateFieldNI("_sink");
       t1.close$0();
     },
-    $signature: 69
+    $signature: 71
   };
   A._WebSocketSink.prototype = {$isWebSocketSink: 1};
   A.WebSocketChannelException.prototype = {
@@ -26784,7 +27168,7 @@
     $call$body$main_closure() {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.void),
-        uri, t2, fixedPath, fixedUri, client, _0_0, t3, manager, t4, t5, t6, debugEventController, t7, _box_0, t1;
+        uri, fixedPath, fixedUri, client, _0_0, t2, manager, t3, t4, t5, debugEventController, t6, _box_0, t1;
       var $async$call$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -26797,10 +27181,9 @@
               if (A._asStringQ(t1.$dartAppInstanceId) == null)
                 t1.$dartAppInstanceId = new A.UuidV1(null).generate$1$options(null);
               uri = A.Uri_parse(A._asString(t1.$dwdsDevHandlerPath));
-              t2 = type$.JSObject;
-              if (A._asString(t2._as(t2._as(t1.window).location).protocol) === "https:" && uri.get$scheme() === "http" && uri.get$host() !== "localhost")
+              if (A._asString(A._asJSObject(A._asJSObject(t1.window).location).protocol) === "https:" && uri.get$scheme() === "http" && uri.get$host() !== "localhost")
                 uri = uri.replace$1$scheme("https");
-              else if (A._asString(t2._as(t2._as(t1.window).location).protocol) === "wss:" && uri.get$scheme() === "ws" && uri.get$host() !== "localhost")
+              else if (A._asString(A._asJSObject(A._asJSObject(t1.window).location).protocol) === "wss:" && uri.get$scheme() === "ws" && uri.get$host() !== "localhost")
                 uri = uri.replace$1$scheme("wss");
               fixedPath = uri.toString$0(0);
               fixedUri = A.Uri_parse(fixedPath);
@@ -26814,50 +27197,50 @@
               return A._asyncAwait(A.RequireRestarter_create(), $async$call$0);
             case 5:
               // returning from await.
-              t3 = $async$result;
+              t2 = $async$result;
               // goto break $label0$0
               $async$goto = 2;
               break;
             case 4:
               // join
               if ("ddc-library-bundle" === _0_0) {
-                t3 = new A.DdcLibraryBundleRestarter();
+                t2 = new A.DdcLibraryBundleRestarter();
                 // goto break $label0$0
                 $async$goto = 2;
                 break;
               }
               if ("ddc" === _0_0 || "legacy" === _0_0) {
-                t3 = new A.DdcRestarter();
+                t2 = new A.DdcRestarter();
                 // goto break $label0$0
                 $async$goto = 2;
                 break;
               }
-              t3 = A.throwExpression(A.StateError$("Unknown module strategy: " + A.S(A.getProperty(A.staticInteropGlobalContext(), "$dartModuleStrategy", type$.String))));
+              t2 = A.throwExpression(A.StateError$("Unknown module strategy: " + A.S(A.getProperty(A.staticInteropGlobalContext(), "$dartModuleStrategy", type$.String))));
             case 2:
               // break $label0$0
-              manager = new A.ReloadingManager(client, t3);
+              manager = new A.ReloadingManager(client, t2);
               t1.$dartHotReloadStartDwds = A._functionToJS0(new A.main__closure(manager));
               t1.$dartHotReloadEndDwds = A._functionToJS0(new A.main__closure0(manager));
               _box_0.readyToRunMainCompleter = null;
               t1.$dartHotRestartDwds = A._functionToJS2(new A.main__closure1(_box_0, manager));
               t1.$dartReadyToRunMain = A._functionToJS0(new A.main__closure2(_box_0));
-              t3 = $.Zone__current;
-              t4 = Math.max(100, 1);
-              t5 = A.StreamController_StreamController(null, null, false, type$.DebugEvent);
-              t6 = A.StreamController_StreamController(null, null, false, type$.List_DebugEvent);
-              debugEventController = new A.BatchedStreamController(t4, 1000, t5, t6, new A._AsyncCompleter(new A._Future(t3, type$._Future_bool), type$._AsyncCompleter_bool), type$.BatchedStreamController_DebugEvent);
-              t3 = A.List_List$filled(A.QueueList__computeInitialCapacity(null), null, false, type$.nullable_Result_DebugEvent);
-              t4 = A.ListQueue$(type$._EventRequest_dynamic);
-              t7 = type$.StreamQueue_DebugEvent;
-              debugEventController.__BatchedStreamController__inputQueue_A = t7._as(new A.StreamQueue(new A._ControllerStream(t5, A._instanceType(t5)._eval$1("_ControllerStream<1>")), new A.QueueList(t3, 0, 0, type$.QueueList_Result_DebugEvent), t4, t7));
+              t2 = $.Zone__current;
+              t3 = Math.max(100, 1);
+              t4 = A.StreamController_StreamController(null, null, null, false, type$.DebugEvent);
+              t5 = A.StreamController_StreamController(null, null, null, false, type$.List_DebugEvent);
+              debugEventController = new A.BatchedStreamController(t3, 1000, t4, t5, new A._AsyncCompleter(new A._Future(t2, type$._Future_bool), type$._AsyncCompleter_bool), type$.BatchedStreamController_DebugEvent);
+              t2 = A.List_List$filled(A.QueueList__computeInitialCapacity(null), null, false, type$.nullable_Result_DebugEvent);
+              t3 = A.ListQueue$(type$._EventRequest_dynamic);
+              t6 = type$.StreamQueue_DebugEvent;
+              debugEventController.__BatchedStreamController__inputQueue_A = t6._as(new A.StreamQueue(new A._ControllerStream(t4, A._instanceType(t4)._eval$1("_ControllerStream<1>")), new A.QueueList(t2, 0, 0, type$.QueueList_Result_DebugEvent), t3, t6));
               A.safeUnawaited(debugEventController._batchAndSendEvents$0());
-              new A._ControllerStream(t6, A._instanceType(t6)._eval$1("_ControllerStream<1>")).listen$1(new A.main__closure3(client));
+              new A._ControllerStream(t5, A._instanceType(t5)._eval$1("_ControllerStream<1>")).listen$1(new A.main__closure3(client));
               t1.$emitDebugEvent = A._functionToJS2(new A.main__closure4(debugEventController));
               t1.$emitRegisterEvent = A._functionToJS1(new A.main__closure5(client));
               t1.$launchDevTools = A._functionToJS0(new A.main__closure6(client));
               client.get$stream().listen$2$onError(new A.main__closure7(manager, client), new A.main__closure8());
               if (A._asBool(t1.$dwdsEnableDevToolsLaunch))
-                A._EventStreamSubscription$(t2._as(t1.window), "keydown", type$.nullable_void_Function_JSObject._as(new A.main__closure9()), false, t2);
+                A._EventStreamSubscription$(A._asJSObject(t1.window), "keydown", type$.nullable_void_Function_JSObject._as(new A.main__closure9()), false, type$.JSObject);
               if (A._asString(t1.$dartModuleStrategy) !== "ddc-library-bundle")
                 if (A._isChromium())
                   A._sendConnectRequest(client.get$sink());
@@ -26905,7 +27288,7 @@
     call$1(runId) {
       return this.call$2(runId, null);
     },
-    $signature: 71
+    $signature: 73
   };
   A.main__closure2.prototype = {
     call$0() {
@@ -26932,7 +27315,7 @@
         A._trySendEvent(t1, B.C_JsonCodec.encode$2$toEncodable(t2.serialize$1(t3._debug_event$_build$0()), null), type$.dynamic);
       }
     },
-    $signature: 72
+    $signature: 74
   };
   A.main___closure2.prototype = {
     call$1(b) {
@@ -26941,7 +27324,7 @@
       b.get$_debug_event$_$this().set$_events(t1);
       return t1;
     },
-    $signature: 73
+    $signature: 75
   };
   A.main__closure4.prototype = {
     call$2(kind, eventData) {
@@ -26955,7 +27338,7 @@
         A._trySendEvent(new A._StreamSinkWrapper(t1, A._instanceType(t1)._eval$1("_StreamSinkWrapper<1>")), t2._debug_event$_build$0(), type$.DebugEvent);
       }
     },
-    $signature: 74
+    $signature: 76
   };
   A.main___closure1.prototype = {
     call$1(b) {
@@ -26965,7 +27348,7 @@
       b.get$_debug_event$_$this()._eventData = this.eventData;
       return b;
     },
-    $signature: 75
+    $signature: 77
   };
   A.main__closure5.prototype = {
     call$1(eventData) {
@@ -26977,7 +27360,7 @@
       type$.nullable_void_Function_RegisterEventBuilder._as(new A.main___closure0(eventData)).call$1(t3);
       A._trySendEvent(t1, B.C_JsonCodec.encode$2$toEncodable(t2.serialize$1(t3._register_event$_build$0()), null), type$.dynamic);
     },
-    $signature: 76
+    $signature: 78
   };
   A.main___closure0.prototype = {
     call$1(b) {
@@ -26986,13 +27369,13 @@
       b.get$_register_event$_$this()._register_event$_eventData = this.eventData;
       return b;
     },
-    $signature: 77
+    $signature: 79
   };
   A.main__closure6.prototype = {
     call$0() {
       var t1, t2, t3;
       if (!A._isChromium()) {
-        type$.JSObject._as(init.G.window).alert("Dart DevTools is only supported on Chromium based browsers.");
+        A._asJSObject(init.G.window).alert("Dart DevTools is only supported on Chromium based browsers.");
         return;
       }
       t1 = this.client.get$sink();
@@ -27012,7 +27395,7 @@
       b.get$_devtools_request$_$this()._devtools_request$_instanceId = t1;
       return b;
     },
-    $signature: 78
+    $signature: 80
   };
   A.main__closure7.prototype = {
     call$1(serialized) {
@@ -27021,7 +27404,7 @@
     $call$body$main__closure(serialized) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.void),
-        $async$self = this, t1, t2, $alert, t3, $event;
+        $async$self = this, t1, $alert, t2, $event;
       var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -27039,8 +27422,7 @@
               break;
             case 5:
               // then
-              t2 = type$.JSObject;
-              t2._as(t2._as(t1.window).location).reload();
+              A._asJSObject(A._asJSObject(t1.window).location).reload();
               // goto join
               $async$goto = 6;
               break;
@@ -27089,13 +27471,12 @@
               // then
               if (!$event.success) {
                 $alert = "DevTools failed to open with:\n" + A.S($event.error);
-                t1 = $event.promptExtension && A._asBool(type$.JSObject._as(init.G.window).confirm($alert));
+                t1 = $event.promptExtension && A._asBool(A._asJSObject(init.G.window).confirm($alert));
                 t2 = init.G;
-                t3 = type$.JSObject;
                 if (t1)
-                  type$.nullable_JSObject._as(t3._as(t2.window).open("https://dart.dev/to/web-debug-extension", "_blank"));
+                  A._asJSObjectQ(A._asJSObject(t2.window).open("https://dart.dev/to/web-debug-extension", "_blank"));
                 else
-                  t3._as(t2.window).alert($alert);
+                  A._asJSObject(t2.window).alert($alert);
               }
               // goto join
               $async$goto = 17;
@@ -27116,7 +27497,7 @@
               break;
             case 22:
               // then
-              type$.JSObject._as(init.G.window).reportError("Error from backend:\n\nError: " + $event.error + "\n\nStack Trace:\n" + $event.stackTrace);
+              A._asJSObject(init.G.window).reportError("Error from backend:\n\nError: " + $event.error + "\n\nStack Trace:\n" + $event.stackTrace);
               // goto join
               $async$goto = 23;
               break;
@@ -27146,12 +27527,12 @@
       });
       return A._asyncStartSync($async$call$1, $async$completer);
     },
-    $signature: 79
+    $signature: 81
   };
   A.main__closure8.prototype = {
     call$1(error) {
     },
-    $signature: 6
+    $signature: 4
   };
   A.main__closure9.prototype = {
     call$1(e) {
@@ -27166,11 +27547,11 @@
   };
   A.main_closure0.prototype = {
     call$2(error, stackTrace) {
-      type$.Object._as(error);
+      A._asObject(error);
       type$.StackTrace._as(stackTrace);
       A.print("Unhandled error detected in the injected client.js script.\n\nYou can disable this script in webdev by passing --no-injected-client if it\nis preventing your app from loading, but note that this will also prevent\nall debugging and hot reload/restart functionality from working.\n\nThe original error is below, please file an issue at\nhttps://github.com/dart-lang/webdev/issues/new and attach this output:\n\n" + A.S(error) + "\n" + stackTrace.toString$0(0) + "\n");
     },
-    $signature: 14
+    $signature: 9
   };
   A._sendConnectRequest_closure.prototype = {
     call$1(b) {
@@ -27183,11 +27564,11 @@
       b.get$_connect_request$_$this()._entrypointPath = t1;
       return b;
     },
-    $signature: 80
+    $signature: 82
   };
   A._launchCommunicationWithDebugExtension_closure.prototype = {
     call$1(b) {
-      var t3, t4,
+      var t3,
         t1 = init.G,
         t2 = A._asString(t1.$dartEntrypointPath);
       b.get$_$this()._appEntrypointPath = t2;
@@ -27196,10 +27577,9 @@
       b.get$_$this()._appId = t3;
       t3 = A._asStringQ(t1.$dartAppInstanceId);
       b.get$_$this()._appInstanceId = t3;
-      t3 = type$.JSObject;
-      t4 = A._asString(t3._as(t3._as(t1.window).location).origin);
-      b.get$_$this()._appOrigin = t4;
-      t3 = A._asString(t3._as(t3._as(t1.window).location).href);
+      t3 = A._asString(A._asJSObject(A._asJSObject(t1.window).location).origin);
+      b.get$_$this()._appOrigin = t3;
+      t3 = A._asString(A._asJSObject(A._asJSObject(t1.window).location).href);
       b.get$_$this()._appUrl = t3;
       t3 = A._authUrl();
       b.get$_$this()._authUrl = t3;
@@ -27213,13 +27593,13 @@
       b.get$_$this()._workspaceName = t1;
       return b;
     },
-    $signature: 81
+    $signature: 83
   };
   A._handleAuthRequest_closure.prototype = {
     call$1(isAuthenticated) {
       return A._dispatchEvent("dart-auth-response", "" + A._asBool(isAuthenticated));
     },
-    $signature: 82
+    $signature: 84
   };
   A._sendResponse_closure.prototype = {
     call$1(b) {
@@ -27263,7 +27643,7 @@
     restart$2$readyToRunMain$runId(readyToRunMain, runId) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.bool),
-        $async$returnValue, $async$self = this, mainHandler, t1, t2;
+        $async$returnValue, $async$self = this, mainHandler, t1;
       var $async$restart$2$readyToRunMain$runId = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -27272,15 +27652,14 @@
             case 0:
               // Function start
               t1 = init.G;
-              t2 = type$.JSObject;
               $async$goto = 3;
-              return A._asyncAwait(A._Debugger_maybeInvokeFlutterDisassemble(t2._as(t2._as(t1.dartDevEmbedder).debugger)), $async$restart$2$readyToRunMain$runId);
+              return A._asyncAwait(A._Debugger_maybeInvokeFlutterDisassemble(A._asJSObject(A._asJSObject(t1.dartDevEmbedder).debugger)), $async$restart$2$readyToRunMain$runId);
             case 3:
               // returning from await.
               mainHandler = A._functionToJS1(new A.DdcLibraryBundleRestarter_restart_closure($async$self, readyToRunMain));
-              t2._as(t2._as(t1.dartDevEmbedder).config).capturedMainHandler = mainHandler;
+              A._asJSObject(A._asJSObject(t1.dartDevEmbedder).config).capturedMainHandler = mainHandler;
               $async$goto = 4;
-              return A._asyncAwait(A.promiseToFuture(t2._as(t2._as(t1.dartDevEmbedder).hotRestart()), type$.nullable_Object), $async$restart$2$readyToRunMain$runId);
+              return A._asyncAwait(A.promiseToFuture(A._asJSObject(A._asJSObject(t1.dartDevEmbedder).hotRestart()), type$.nullable_Object), $async$restart$2$readyToRunMain$runId);
             case 4:
               // returning from await.
               $async$returnValue = true;
@@ -27297,7 +27676,7 @@
     hotReloadStart$1(hotReloadSourcesPath) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.JSObject),
-        $async$returnValue, $async$self = this, t4, srcModuleLibraries, filesToLoad, _this, librariesToReload, t5, t6, srcModuleLibraryCast, module, libraries, t7, t1, t2, t3, xhr, $async$temp1, $async$temp2, $async$temp3;
+        $async$returnValue, $async$self = this, t3, srcModuleLibraries, filesToLoad, _this, librariesToReload, t4, t5, srcModuleLibraryCast, module, libraries, t6, t1, t2, xhr, $async$temp1, $async$temp2, $async$temp3;
       var $async$hotReloadStart$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -27307,15 +27686,14 @@
               // Function start
               t1 = new A._Future($.Zone__current, type$._Future_String);
               t2 = init.G;
-              t3 = type$.JSObject;
-              xhr = t3._as(new t2.XMLHttpRequest());
+              xhr = A._asJSObject(new t2.XMLHttpRequest());
               xhr.withCredentials = true;
               xhr.onreadystatechange = A._functionToJS0(new A.DdcLibraryBundleRestarter_hotReloadStart_closure(xhr, new A._AsyncCompleter(t1, type$._AsyncCompleter_String)));
               xhr.open("GET", hotReloadSourcesPath, true);
               xhr.send();
-              t4 = type$.List_dynamic;
+              t3 = type$.List_dynamic;
               $async$temp1 = J;
-              $async$temp2 = t4;
+              $async$temp2 = t3;
               $async$temp3 = B.C_JsonCodec;
               $async$goto = 3;
               return A._asyncAwait(t1, $async$hotReloadStart$1);
@@ -27326,18 +27704,18 @@
               filesToLoad = t1._as(new t2.Array());
               _this = {};
               librariesToReload = t1._as(new t2.Array());
-              for (t1 = srcModuleLibraries.get$iterator(srcModuleLibraries), t5 = type$.String, t6 = type$.Object; t1.moveNext$0();) {
-                srcModuleLibraryCast = t1.get$current().cast$2$0(0, t5, t6);
+              for (t1 = srcModuleLibraries.get$iterator(srcModuleLibraries), t4 = type$.String, t5 = type$.Object; t1.moveNext$0();) {
+                srcModuleLibraryCast = t1.get$current().cast$2$0(0, t4, t5);
                 filesToLoad.push(A._asString(srcModuleLibraryCast.$index(0, "src")));
                 module = A._asString(srcModuleLibraryCast.$index(0, "module"));
-                libraries = J.cast$1$0$ax(t4._as(srcModuleLibraryCast.$index(0, "libraries")), t5);
+                libraries = J.cast$1$0$ax(t3._as(srcModuleLibraryCast.$index(0, "libraries")), t4);
                 _this[module] = A.jsify(libraries);
-                for (t7 = libraries.get$iterator(libraries); t7.moveNext$0();)
-                  librariesToReload.push(t7.get$current());
+                for (t6 = libraries.get$iterator(libraries); t6.moveNext$0();)
+                  librariesToReload.push(t6.get$current());
               }
-              t3._as(t3._as(t2.dartDevEmbedder).config).capturedHotReloadEndHandler = A._functionToJS1(new A.DdcLibraryBundleRestarter_hotReloadStart_closure0($async$self));
+              A._asJSObject(A._asJSObject(t2.dartDevEmbedder).config).capturedHotReloadEndHandler = A._functionToJS1(new A.DdcLibraryBundleRestarter_hotReloadStart_closure0($async$self));
               $async$goto = 4;
-              return A._asyncAwait(A.promiseToFuture(t3._as(t3._as(t2.dartDevEmbedder).hotReload(filesToLoad, librariesToReload)), type$.nullable_Object), $async$hotReloadStart$1);
+              return A._asyncAwait(A.promiseToFuture(A._asJSObject(A._asJSObject(t2.dartDevEmbedder).hotReload(filesToLoad, librariesToReload)), type$.nullable_Object), $async$hotReloadStart$1);
             case 4:
               // returning from await.
               $async$returnValue = _this;
@@ -27354,7 +27732,7 @@
     hotReloadEnd$0() {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.void),
-        $async$self = this, t1;
+        $async$self = this;
       var $async$hotReloadEnd$0 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -27363,8 +27741,7 @@
             case 0:
               // Function start
               $async$self._capturedHotReloadEndCallback.call();
-              t1 = type$.JSObject;
-              t1._as(t1._as(init.G.dartDevEmbedder).config).capturedHotReloadEndHandler = null;
+              A._asJSObject(A._asJSObject(init.G.dartDevEmbedder).config).capturedHotReloadEndHandler = null;
               $async$self._capturedHotReloadEndCallback = null;
               // implicit return
               return A._asyncReturn(null, $async$completer);
@@ -27376,13 +27753,11 @@
   };
   A.DdcLibraryBundleRestarter_restart_closure.prototype = {
     call$1(runMain) {
-      var t1;
       type$.JavaScriptFunction._as(runMain);
-      t1 = type$.JSObject;
-      t1._as(t1._as(init.G.dartDevEmbedder).config).capturedMainHandler = null;
+      A._asJSObject(A._asJSObject(init.G.dartDevEmbedder).config).capturedMainHandler = null;
       A.safeUnawaited(this.$this._runMainWhenReady$2(this.readyToRunMain, runMain));
     },
-    $signature: 20
+    $signature: 21
   };
   A.DdcLibraryBundleRestarter_hotReloadStart_closure.prototype = {
     call$0() {
@@ -27396,7 +27771,7 @@
     call$1(hotReloadEndCallback) {
       this.$this._capturedHotReloadEndCallback = type$.JavaScriptFunction._as(hotReloadEndCallback);
     },
-    $signature: 20
+    $signature: 21
   };
   A.DdcRestarter.prototype = {
     restart$2$readyToRunMain$runId(readyToRunMain, runId) {
@@ -27415,8 +27790,7 @@
               t3 = readyToRunMain == null ? null : A.FutureOfVoidToJSPromise_get_toJS(readyToRunMain);
               t2.reload(runId, t3);
               t3 = new A._Future($.Zone__current, type$._Future_bool);
-              t2 = type$.JSObject;
-              $async$returnValue = t3.then$1$1(new A.DdcRestarter_restart_closure(A._EventStreamSubscription$(t2._as(t1.window), "message", type$.nullable_void_Function_JSObject._as(new A.DdcRestarter_restart_closure0(new A._AsyncCompleter(t3, type$._AsyncCompleter_bool))), false, t2)), type$.bool);
+              $async$returnValue = t3.then$1$1(new A.DdcRestarter_restart_closure(A._EventStreamSubscription$(A._asJSObject(t1.window), "message", type$.nullable_void_Function_JSObject._as(new A.DdcRestarter_restart_closure0(new A._AsyncCompleter(t3, type$._AsyncCompleter_bool))), false, type$.JSObject)), type$.bool);
               // goto return
               $async$goto = 1;
               break;
@@ -27450,7 +27824,7 @@
       this.sub.cancel$0();
       return value;
     },
-    $signature: 84
+    $signature: 86
   };
   A.ReloadingManager.prototype = {
     hotRestart$2$readyToRunMain$runId(readyToRunMain, runId) {
@@ -27530,7 +27904,7 @@
     restart$2$readyToRunMain$runId(readyToRunMain, runId) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.bool),
-        $async$returnValue, $async$self = this, newDigests, modulesToLoad, t3, t4, t5, t6, t7, line, toZone, t8, result, t1, t2;
+        $async$returnValue, $async$self = this, newDigests, modulesToLoad, t3, t4, t5, t6, line, toZone, t7, result, t1, t2;
       var $async$restart$2$readyToRunMain$runId = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -27550,31 +27924,31 @@
               // returning from await.
               newDigests = $async$result;
               modulesToLoad = A._setArrayType([], type$.JSArray_String);
-              for (t3 = newDigests.get$keys(), t3 = t3.get$iterator(t3), t4 = $.RequireRestarter____lastKnownDigests._name, t5 = type$.JSObject; t3.moveNext$0();) {
-                t6 = t3.get$current();
-                t7 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
-                if (t7 === $.RequireRestarter____lastKnownDigests)
+              for (t3 = newDigests.get$keys(), t3 = t3.get$iterator(t3), t4 = $.RequireRestarter____lastKnownDigests._name; t3.moveNext$0();) {
+                t5 = t3.get$current();
+                t6 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
+                if (t6 === $.RequireRestarter____lastKnownDigests)
                   A.throwExpression(A.LateError$fieldNI(t4));
-                if (!t7.containsKey$1(t6)) {
-                  line = "Error during script reloading, refreshing the page. \nUnable to find an existing digest for module: " + t6 + ".";
+                if (!t6.containsKey$1(t5)) {
+                  line = "Error during script reloading, refreshing the page. \nUnable to find an existing digest for module: " + t5 + ".";
                   toZone = $.printToZone;
                   if (toZone == null)
                     A.printString(line);
                   else
                     toZone.call$1(line);
-                  t5._as(t5._as(t1.window).location).reload();
+                  A._asJSObject(A._asJSObject(t1.window).location).reload();
                 } else {
-                  t7 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
-                  if (t7 === $.RequireRestarter____lastKnownDigests)
+                  t6 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
+                  if (t6 === $.RequireRestarter____lastKnownDigests)
                     A.throwExpression(A.LateError$fieldNI(t4));
-                  if (t7.$index(0, t6) != newDigests.$index(0, t6)) {
-                    t7 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
-                    if (t7 === $.RequireRestarter____lastKnownDigests)
+                  if (t6.$index(0, t5) != newDigests.$index(0, t5)) {
+                    t6 = $.RequireRestarter____lastKnownDigests.__late_helper$_value;
+                    if (t6 === $.RequireRestarter____lastKnownDigests)
                       A.throwExpression(A.LateError$fieldNI(t4));
-                    t8 = newDigests.$index(0, t6);
-                    t8.toString;
-                    t7.$indexSet(0, t6, t8);
-                    B.JSArray_methods.add$1(modulesToLoad, t6);
+                    t7 = newDigests.$index(0, t5);
+                    t7.toString;
+                    t6.$indexSet(0, t5, t7);
+                    B.JSArray_methods.add$1(modulesToLoad, t5);
                   }
                 }
               }
@@ -27654,12 +28028,12 @@
             case 0:
               // Function start
               $async$goto = 3;
-              return A._asyncAwait(new A.BrowserClient(A.LinkedHashSet_LinkedHashSet$_empty(type$.JSObject))._sendUnstreamed$3("GET", A.Uri_parse(A._asString(type$.JavaScriptObject._as(init.G.$requireLoader).digestsPath)), null), $async$_getDigests$0);
+              return A._asyncAwait(new A.BrowserClient(A._setArrayType([], type$.JSArray_JSObject))._sendUnstreamed$3("GET", A.Uri_parse(A._asString(type$.JavaScriptObject._as(init.G.$requireLoader).digestsPath)), null), $async$_getDigests$0);
             case 3:
               // returning from await.
               response = $async$result;
               t1 = type$.String;
-              $async$returnValue = type$.Map_dynamic_dynamic._as(B.C_JsonCodec.decode$2$reviver(A.encodingForCharset(A._contentTypeForHeaders(response.headers).parameters._collection$_map.$index(0, "charset")).decode$1(response.bodyBytes), null)).cast$2$0(0, t1, t1);
+              $async$returnValue = type$.Map_dynamic_dynamic._as(B.C_JsonCodec.decode$2$reviver(A.encodingForContentTypeHeader(A._contentTypeForHeaders(response.headers)).decode$1(response.bodyBytes), null)).cast$2$0(0, t1, t1);
               // goto return
               $async$goto = 1;
               break;
@@ -27844,8 +28218,7 @@
               if (t2 instanceof A.HotReloadFailedException) {
                 e = t2;
                 A.print("Error during script reloading. Firing full page reload. " + A.S(e));
-                t2 = type$.JSObject;
-                t2._as(t2._as(t1.window).location).reload();
+                A._asJSObject(A._asJSObject(t1.window).location).reload();
                 $async$self._running.complete$1(false);
               } else
                 throw $async$exception;
@@ -27886,7 +28259,7 @@
         t2 = type$.JavaScriptObject;
       t2 = t2._as(t2._as(t1.$requireLoader).moduleParentsGraph);
       t3 = type$.String;
-      stronglyConnectedComponents = A.stronglyConnectedComponents(A.JSArrayExtension_toDartIterable(type$.JSArray_nullable_Object._as(t1.Array.from(type$.JSObject._as(t2.keys()))), t3), this.get$_moduleParents(), t3);
+      stronglyConnectedComponents = A.stronglyConnectedComponents(A.JSArrayExtension_toDartIterable(type$.JSArray_nullable_Object._as(t1.Array.from(A._asJSObject(t2.keys()))), t3), this.get$_moduleParents(), t3);
       t3 = this._moduleOrdering;
       if (t3._collection$_length > 0) {
         t3._strings = t3._nums = t3._collection$_rest = t3._keys = null;
@@ -27900,7 +28273,7 @@
   };
   A.RequireRestarter__reload_closure.prototype = {
     call$0() {
-      var t1 = type$.JSObject._as(this.dart.getModuleLibraries(this._box_0.previousModuleId));
+      var t1 = A._asJSObject(this.dart.getModuleLibraries(this._box_0.previousModuleId));
       t1 = A.JSArrayExtension_toDartIterable(type$.JSArray_nullable_Object._as(init.G.Object.values(t1)), type$.nullable_Object).get$first(0);
       t1.toString;
       type$.JavaScriptObject._as(t1).main();
@@ -27917,7 +28290,7 @@
     call$1(e) {
       this.completer.completeError$2(new A.HotReloadFailedException(A._asString(type$.JavaScriptObject._as(e).message)), this.stackTrace);
     },
-    $signature: 87
+    $signature: 89
   };
   A._createScript_closure.prototype = {
     call$0() {
@@ -27926,19 +28299,17 @@
         return new A._createScript__closure();
       return new A._createScript__closure0(nonce);
     },
-    $signature: 88
+    $signature: 90
   };
   A._createScript__closure.prototype = {
     call$0() {
-      var t1 = type$.JSObject;
-      return t1._as(t1._as(init.G.document).createElement("script"));
+      return A._asJSObject(A._asJSObject(init.G.document).createElement("script"));
     },
     $signature: 10
   };
   A._createScript__closure0.prototype = {
     call$0() {
-      var t1 = type$.JSObject,
-        scriptElement = t1._as(t1._as(init.G.document).createElement("script"));
+      var scriptElement = A._asJSObject(A._asJSObject(init.G.document).createElement("script"));
       scriptElement.setAttribute("nonce", this.nonce);
       return scriptElement;
     },
@@ -27989,48 +28360,51 @@
       _instance = hunkHelpers.installInstanceTearOff,
       _instance_2_u = hunkHelpers._instance_2u,
       _instance_1_i = hunkHelpers._instance_1i,
-      _instance_0_u = hunkHelpers._instance_0u,
-      _instance_1_u = hunkHelpers._instance_1u;
-    _static_2(J, "_interceptors_JSArray__compareAny$closure", "JSArray__compareAny", 30);
+      _instance_1_u = hunkHelpers._instance_1u,
+      _instance_0_u = hunkHelpers._instance_0u;
+    _static_2(J, "_interceptors_JSArray__compareAny$closure", "JSArray__compareAny", 20);
     _static_1(A, "async__AsyncRun__scheduleImmediateJsOverride$closure", "_AsyncRun__scheduleImmediateJsOverride", 16);
     _static_1(A, "async__AsyncRun__scheduleImmediateWithSetImmediate$closure", "_AsyncRun__scheduleImmediateWithSetImmediate", 16);
     _static_1(A, "async__AsyncRun__scheduleImmediateWithTimer$closure", "_AsyncRun__scheduleImmediateWithTimer", 16);
     _static_0(A, "async___startMicrotaskLoop$closure", "_startMicrotaskLoop", 0);
     _static_1(A, "async___nullDataHandler$closure", "_nullDataHandler", 7);
-    _static_2(A, "async___nullErrorHandler$closure", "_nullErrorHandler", 14);
+    _static_2(A, "async___nullErrorHandler$closure", "_nullErrorHandler", 9);
     _static_0(A, "async___nullDoneHandler$closure", "_nullDoneHandler", 0);
-    _static(A, "async___rootHandleUncaughtError$closure", 5, null, ["call$5"], ["_rootHandleUncaughtError"], 91, 0);
+    _static(A, "async___rootHandleUncaughtError$closure", 5, null, ["call$5"], ["_rootHandleUncaughtError"], 93, 0);
     _static(A, "async___rootRun$closure", 4, null, ["call$1$4", "call$4"], ["_rootRun", function($self, $parent, zone, f) {
       return A._rootRun($self, $parent, zone, f, type$.dynamic);
-    }], 92, 0);
+    }], 94, 0);
     _static(A, "async___rootRunUnary$closure", 5, null, ["call$2$5", "call$5"], ["_rootRunUnary", function($self, $parent, zone, f, arg) {
       var t1 = type$.dynamic;
       return A._rootRunUnary($self, $parent, zone, f, arg, t1, t1);
-    }], 93, 0);
-    _static(A, "async___rootRunBinary$closure", 6, null, ["call$3$6"], ["_rootRunBinary"], 94, 0);
+    }], 95, 0);
+    _static(A, "async___rootRunBinary$closure", 6, null, ["call$3$6"], ["_rootRunBinary"], 96, 0);
     _static(A, "async___rootRegisterCallback$closure", 4, null, ["call$1$4", "call$4"], ["_rootRegisterCallback", function($self, $parent, zone, f) {
       return A._rootRegisterCallback($self, $parent, zone, f, type$.dynamic);
-    }], 95, 0);
+    }], 97, 0);
     _static(A, "async___rootRegisterUnaryCallback$closure", 4, null, ["call$2$4", "call$4"], ["_rootRegisterUnaryCallback", function($self, $parent, zone, f) {
       var t1 = type$.dynamic;
       return A._rootRegisterUnaryCallback($self, $parent, zone, f, t1, t1);
-    }], 96, 0);
+    }], 98, 0);
     _static(A, "async___rootRegisterBinaryCallback$closure", 4, null, ["call$3$4", "call$4"], ["_rootRegisterBinaryCallback", function($self, $parent, zone, f) {
       var t1 = type$.dynamic;
       return A._rootRegisterBinaryCallback($self, $parent, zone, f, t1, t1, t1);
-    }], 97, 0);
-    _static(A, "async___rootErrorCallback$closure", 5, null, ["call$5"], ["_rootErrorCallback"], 98, 0);
-    _static(A, "async___rootScheduleMicrotask$closure", 4, null, ["call$4"], ["_rootScheduleMicrotask"], 99, 0);
-    _static(A, "async___rootCreateTimer$closure", 5, null, ["call$5"], ["_rootCreateTimer"], 100, 0);
-    _static(A, "async___rootCreatePeriodicTimer$closure", 5, null, ["call$5"], ["_rootCreatePeriodicTimer"], 101, 0);
-    _static(A, "async___rootPrint$closure", 4, null, ["call$4"], ["_rootPrint"], 102, 0);
-    _static_1(A, "async___printToZone$closure", "_printToZone", 103);
-    _static(A, "async___rootFork$closure", 5, null, ["call$5"], ["_rootFork"], 104, 0);
-    _instance(A._Completer.prototype, "get$completeError", 0, 1, null, ["call$2", "call$1"], ["completeError$2", "completeError$1"], 33, 0, 0);
-    _instance_2_u(A._Future.prototype, "get$_completeError", "_completeError$2", 14);
+    }], 99, 0);
+    _static(A, "async___rootErrorCallback$closure", 5, null, ["call$5"], ["_rootErrorCallback"], 100, 0);
+    _static(A, "async___rootScheduleMicrotask$closure", 4, null, ["call$4"], ["_rootScheduleMicrotask"], 101, 0);
+    _static(A, "async___rootCreateTimer$closure", 5, null, ["call$5"], ["_rootCreateTimer"], 102, 0);
+    _static(A, "async___rootCreatePeriodicTimer$closure", 5, null, ["call$5"], ["_rootCreatePeriodicTimer"], 103, 0);
+    _static(A, "async___rootPrint$closure", 4, null, ["call$4"], ["_rootPrint"], 104, 0);
+    _static_1(A, "async___printToZone$closure", "_printToZone", 105);
+    _static(A, "async___rootFork$closure", 5, null, ["call$5"], ["_rootFork"], 106, 0);
+    _instance(A._Completer.prototype, "get$completeError", 0, 1, null, ["call$2", "call$1"], ["completeError$2", "completeError$1"], 23, 0, 0);
+    _instance_2_u(A._Future.prototype, "get$_completeError", "_completeError$2", 9);
     var _;
-    _instance_1_i(_ = A._StreamController.prototype, "get$add", "add$1", 9);
-    _instance(_, "get$addError", 0, 1, null, ["call$2", "call$1"], ["addError$2", "addError$1"], 33, 0, 0);
+    _instance_1_i(_ = A._StreamController.prototype, "get$add", "add$1", 8);
+    _instance(_, "get$addError", 0, 1, null, ["call$2", "call$1"], ["addError$2", "addError$1"], 23, 0, 0);
+    _instance_1_u(_, "get$_add", "_add$1", 8);
+    _instance_2_u(_, "get$_addError", "_addError$2", 9);
+    _instance_0_u(_, "get$_close", "_close$0", 0);
     _instance_0_u(_ = A._ControllerSubscription.prototype, "get$_onPause", "_onPause$0", 0);
     _instance_0_u(_, "get$_onResume", "_onResume$0", 0);
     _instance_0_u(_ = A._BufferingStreamSubscription.prototype, "get$_onPause", "_onPause$0", 0);
@@ -28038,42 +28412,42 @@
     _instance_0_u(A._DoneStreamSubscription.prototype, "get$_onMicrotask", "_onMicrotask$0", 0);
     _instance_0_u(_ = A._ForwardingStreamSubscription.prototype, "get$_onPause", "_onPause$0", 0);
     _instance_0_u(_, "get$_onResume", "_onResume$0", 0);
-    _instance_1_u(_, "get$_handleData", "_handleData$1", 9);
-    _instance_2_u(_, "get$_handleError", "_handleError$2", 21);
+    _instance_1_u(_, "get$_handleData", "_handleData$1", 8);
+    _instance_2_u(_, "get$_handleError", "_handleError$2", 22);
     _instance_0_u(_, "get$_handleDone", "_handleDone$0", 0);
     _static_2(A, "collection___defaultEquals$closure", "_defaultEquals0", 18);
     _static_1(A, "collection___defaultHashCode$closure", "_defaultHashCode", 17);
-    _static_2(A, "collection_ListBase__compareAny$closure", "ListBase__compareAny", 30);
-    _static_1(A, "convert___defaultToEncodable$closure", "_defaultToEncodable", 4);
-    _instance_1_i(_ = A._ByteCallbackSink.prototype, "get$add", "add$1", 9);
+    _static_2(A, "collection_ListBase__compareAny$closure", "ListBase__compareAny", 20);
+    _static_1(A, "convert___defaultToEncodable$closure", "_defaultToEncodable", 6);
+    _instance_1_i(_ = A._ByteCallbackSink.prototype, "get$add", "add$1", 8);
     _instance_0_u(_, "get$close", "close$0", 0);
     _static_1(A, "core__identityHashCode$closure", "identityHashCode", 17);
     _static_2(A, "core__identical$closure", "identical", 18);
     _static_1(A, "core_Uri_decodeComponent$closure", "Uri_decodeComponent", 13);
     _static(A, "math__max$closure", 2, null, ["call$1$2", "call$2"], ["max", function(a, b) {
       return A.max(a, b, type$.num);
-    }], 105, 0);
+    }], 107, 0);
     _instance_2_u(_ = A.DeepCollectionEquality.prototype, "get$equals", "equals$2", 18);
     _instance_1_u(_, "get$hash", "hash$1", 17);
     _instance_1_u(_, "get$isValidKey", "isValidKey$1", 12);
     _static(A, "hot_reload_response_HotReloadResponse___new_tearOff$closure", 0, null, ["call$1", "call$0"], ["HotReloadResponse___new_tearOff", function() {
       return A.HotReloadResponse___new_tearOff(null);
-    }], 70, 0);
+    }], 72, 0);
     _static_1(A, "case_insensitive_map_CaseInsensitiveMap__canonicalizer$closure", "CaseInsensitiveMap__canonicalizer", 13);
     _instance_1_u(_ = A.SseClient.prototype, "get$_onIncomingControlMessage", "_onIncomingControlMessage$1", 2);
     _instance_1_u(_, "get$_onIncomingMessage", "_onIncomingMessage$1", 2);
     _instance_0_u(_, "get$_onOutgoingDone", "_onOutgoingDone$0", 0);
-    _instance_1_u(_, "get$_onOutgoingMessage", "_onOutgoingMessage$1", 64);
+    _instance_1_u(_, "get$_onOutgoingMessage", "_onOutgoingMessage$1", 66);
     _static_1(A, "client___handleAuthRequest$closure", "_handleAuthRequest", 2);
-    _instance_1_u(_ = A.RequireRestarter.prototype, "get$_moduleParents", "_moduleParents$1", 85);
-    _instance_2_u(_, "get$_moduleTopologicalCompare", "_moduleTopologicalCompare$2", 86);
+    _instance_1_u(_ = A.RequireRestarter.prototype, "get$_moduleParents", "_moduleParents$1", 87);
+    _instance_2_u(_, "get$_moduleTopologicalCompare", "_moduleTopologicalCompare$2", 88);
   })();
   (function inheritance() {
     var _mixin = hunkHelpers.mixin,
       _inherit = hunkHelpers.inherit,
       _inheritMany = hunkHelpers.inheritMany;
     _inherit(A.Object, null);
-    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, A.SafeToStringHook, J.ArrayIterator, A.Iterable, A.CastIterator, A.Closure, A.MapBase, A.Error, A.ListBase, A.SentinelValue, A.ListIterator, A.MappedIterator, A.WhereIterator, A.ExpandIterator, A.TakeIterator, A.SkipIterator, A.EmptyIterator, A.WhereTypeIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A.ConstantMap, A._KeysOrValuesOrElementsIterator, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A.LinkedHashMapValueIterator, A.LinkedHashMapEntryIterator, A._Record, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A.AsyncError, A.TimeoutException, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._StreamSinkWrapper, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._DoneStreamSubscription, A._StreamIterator, A._ZoneFunction, A._ZoneSpecification, A._ZoneDelegate, A._Zone, A._HashMapKeyIterator, A.SetBase, A._HashSetIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A._UnmodifiableMapMixin, A.MapView, A._ListQueueIterator, A._SplayTreeNode, A._SplayTree, A._SplayTreeIterator, A.Codec, A.Converter, A._Base64Encoder, A._Base64Decoder, A.ByteConversionSink, A._JsonStringifier, A._Utf8Encoder, A._Utf8Decoder, A._BigIntImpl, A.DateTime, A.Duration, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.IntegerDivisionByZeroException, A.MapEntry, A.Null, A._StringStackTrace, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.NullRejectionException, A._JSRandom, A.AsyncMemoizer, A.DelegatingStreamSink, A.ErrorResult, A.ValueResult, A.StreamQueue, A._NextRequest, A._HasNextRequest, A.BuiltList, A.ListBuilder, A.BuiltListMultimap, A.ListMultimapBuilder, A.BuiltMap, A.MapBuilder, A.BuiltSet, A.SetBuilder, A.BuiltSetMultimap, A.SetMultimapBuilder, A.EnumClass, A.IndentingBuiltValueToStringHelper, A.JsonObject, A.FullType, A.BigIntSerializer, A.BoolSerializer, A.BuiltJsonSerializers, A.BuiltJsonSerializersBuilder, A.BuiltListMultimapSerializer, A.BuiltListSerializer, A.BuiltMapSerializer, A.BuiltSetMultimapSerializer, A.BuiltSetSerializer, A.DateTimeSerializer, A.DoubleSerializer, A.DurationSerializer, A.Int32Serializer, A.Int64Serializer, A.IntSerializer, A.JsonObjectSerializer, A.ListSerializer, A.MapSerializer, A.NullSerializer, A.NumSerializer, A.RegExpSerializer, A.SetSerializer, A.StringSerializer, A.Uint8ListSerializer, A.UriSerializer, A.CanonicalizedMap, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._UnorderedEquality, A._MapEntry, A.MapEquality, A.DeepCollectionEquality, A._QueueList_Object_ListMixin, A.BuildResult, A._$BuildStatusSerializer, A._$BuildResultSerializer, A.BuildResultBuilder, A.ConnectRequest, A._$ConnectRequestSerializer, A.ConnectRequestBuilder, A.DebugEvent, A.BatchedDebugEvents, A._$DebugEventSerializer, A._$BatchedDebugEventsSerializer, A.DebugEventBuilder, A.BatchedDebugEventsBuilder, A.DebugInfo, A._$DebugInfoSerializer, A.DebugInfoBuilder, A.DevToolsRequest, A.DevToolsResponse, A._$DevToolsRequestSerializer, A._$DevToolsResponseSerializer, A.DevToolsRequestBuilder, A.DevToolsResponseBuilder, A.ErrorResponse, A._$ErrorResponseSerializer, A.ErrorResponseBuilder, A.ExtensionRequest, A.ExtensionResponse, A.ExtensionEvent, A.BatchedEvents, A._$ExtensionRequestSerializer, A._$ExtensionResponseSerializer, A._$ExtensionEventSerializer, A._$BatchedEventsSerializer, A.ExtensionRequestBuilder, A.ExtensionResponseBuilder, A.ExtensionEventBuilder, A.BatchedEventsBuilder, A.HotReloadRequest, A._$HotReloadRequestSerializer, A.HotReloadRequestBuilder, A.HotReloadResponse, A._$HotReloadResponseSerializer, A.HotReloadResponseBuilder, A.IsolateExit, A.IsolateStart, A._$IsolateExitSerializer, A._$IsolateStartSerializer, A.IsolateExitBuilder, A.IsolateStartBuilder, A.RegisterEvent, A._$RegisterEventSerializer, A.RegisterEventBuilder, A.RunRequest, A._$RunRequestSerializer, A.BatchedStreamController, A.SocketClient, A.Int32, A.Int64, A._StackState, A.BaseClient, A.BaseRequest, A.BaseResponse, A.ClientException, A.MediaType, A.Level, A.LogRecord, A.Logger, A.Context, A.Style, A.ParsedPath, A.PathException, A.Pool, A.PoolResource, A.SourceFile, A.SourceLocationMixin, A.SourceSpanMixin, A.Highlighter, A._Highlight, A._Line, A.SourceLocation, A.SourceSpanException, A.StreamChannelMixin, A._GuaranteeSink, A.StreamChannelController, A.StringScanner, A.RNG, A.UuidV1, A.EventStreamProvider, A._EventStreamSubscription, A.BrowserWebSocket, A.WebSocketEvent, A.WebSocketException, A.WebSocketChannelException, A.DdcLibraryBundleRestarter, A.DdcRestarter, A.ReloadingManager, A.HotReloadFailedException, A.RequireRestarter]);
+    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, A.SafeToStringHook, J.ArrayIterator, A.Iterable, A.CastIterator, A.Closure, A.MapBase, A.Error, A.ListBase, A.SentinelValue, A.ListIterator, A.MappedIterator, A.WhereIterator, A.ExpandIterator, A.TakeIterator, A.SkipIterator, A.EmptyIterator, A.WhereTypeIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A.ConstantMap, A._KeysOrValuesOrElementsIterator, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A.LinkedHashMapValueIterator, A.LinkedHashMapEntryIterator, A._Record, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A._UnmodifiableNativeByteBufferView, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A._AsyncStarStreamController, A._IterationMarker, A.AsyncError, A.TimeoutException, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._StreamSinkWrapper, A._AddStreamState, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._DoneStreamSubscription, A._StreamIterator, A._ZoneFunction, A._ZoneSpecification, A._ZoneDelegate, A._Zone, A._HashMapKeyIterator, A.SetBase, A._HashSetIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A._UnmodifiableMapMixin, A.MapView, A._ListQueueIterator, A._SplayTreeNode, A._SplayTree, A._SplayTreeIterator, A.Codec, A.Converter, A._Base64Encoder, A._Base64Decoder, A.ByteConversionSink, A._JsonStringifier, A._Utf8Encoder, A._Utf8Decoder, A._BigIntImpl, A.DateTime, A.Duration, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.IntegerDivisionByZeroException, A.MapEntry, A.Null, A._StringStackTrace, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.NullRejectionException, A._JSRandom, A._JSSecureRandom, A.AsyncMemoizer, A.DelegatingStreamSink, A.ErrorResult, A.ValueResult, A.StreamQueue, A._NextRequest, A._HasNextRequest, A.BuiltList, A.ListBuilder, A.BuiltListMultimap, A.ListMultimapBuilder, A.BuiltMap, A.MapBuilder, A.BuiltSet, A.SetBuilder, A.BuiltSetMultimap, A.SetMultimapBuilder, A.EnumClass, A.IndentingBuiltValueToStringHelper, A.JsonObject, A.FullType, A.BigIntSerializer, A.BoolSerializer, A.BuiltJsonSerializers, A.BuiltJsonSerializersBuilder, A.BuiltListMultimapSerializer, A.BuiltListSerializer, A.BuiltMapSerializer, A.BuiltSetMultimapSerializer, A.BuiltSetSerializer, A.DateTimeSerializer, A.DoubleSerializer, A.DurationSerializer, A.Int32Serializer, A.Int64Serializer, A.IntSerializer, A.JsonObjectSerializer, A.ListSerializer, A.MapSerializer, A.NullSerializer, A.NumSerializer, A.RegExpSerializer, A.SetSerializer, A.StringSerializer, A.Uint8ListSerializer, A.UriSerializer, A.CanonicalizedMap, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._UnorderedEquality, A._MapEntry, A.MapEquality, A.DeepCollectionEquality, A._QueueList_Object_ListMixin, A.BuildResult, A._$BuildStatusSerializer, A._$BuildResultSerializer, A.BuildResultBuilder, A.ConnectRequest, A._$ConnectRequestSerializer, A.ConnectRequestBuilder, A.DebugEvent, A.BatchedDebugEvents, A._$DebugEventSerializer, A._$BatchedDebugEventsSerializer, A.DebugEventBuilder, A.BatchedDebugEventsBuilder, A.DebugInfo, A._$DebugInfoSerializer, A.DebugInfoBuilder, A.DevToolsRequest, A.DevToolsResponse, A._$DevToolsRequestSerializer, A._$DevToolsResponseSerializer, A.DevToolsRequestBuilder, A.DevToolsResponseBuilder, A.ErrorResponse, A._$ErrorResponseSerializer, A.ErrorResponseBuilder, A.ExtensionRequest, A.ExtensionResponse, A.ExtensionEvent, A.BatchedEvents, A._$ExtensionRequestSerializer, A._$ExtensionResponseSerializer, A._$ExtensionEventSerializer, A._$BatchedEventsSerializer, A.ExtensionRequestBuilder, A.ExtensionResponseBuilder, A.ExtensionEventBuilder, A.BatchedEventsBuilder, A.HotReloadRequest, A._$HotReloadRequestSerializer, A.HotReloadRequestBuilder, A.HotReloadResponse, A._$HotReloadResponseSerializer, A.HotReloadResponseBuilder, A.IsolateExit, A.IsolateStart, A._$IsolateExitSerializer, A._$IsolateStartSerializer, A.IsolateExitBuilder, A.IsolateStartBuilder, A.RegisterEvent, A._$RegisterEventSerializer, A.RegisterEventBuilder, A.RunRequest, A._$RunRequestSerializer, A.BatchedStreamController, A.SocketClient, A.Int32, A.Int64, A._StackState, A.ClientException, A.BaseClient, A.BaseRequest, A.BaseResponse, A.MediaType, A.Level, A.LogRecord, A.Logger, A.Context, A.Style, A.ParsedPath, A.PathException, A.Pool, A.PoolResource, A.SourceFile, A.SourceLocationMixin, A.SourceSpanMixin, A.Highlighter, A._Highlight, A._Line, A.SourceLocation, A.SourceSpanException, A.StreamChannelMixin, A._GuaranteeSink, A.StreamChannelController, A.StringScanner, A.RNG, A.UuidV1, A.EventStreamProvider, A._EventStreamSubscription, A.BrowserWebSocket, A.WebSocketEvent, A.WebSocketException, A.WebSocketChannelException, A.DdcLibraryBundleRestarter, A.DdcRestarter, A.ReloadingManager, A.HotReloadFailedException, A.RequireRestarter]);
     _inheritMany(J.Interceptor, [J.JSBool, J.JSNull, J.JavaScriptObject, J.JavaScriptBigInt, J.JavaScriptSymbol, J.JSNumber, J.JSString]);
     _inheritMany(J.JavaScriptObject, [J.LegacyJavaScriptObject, J.JSArray, A.NativeByteBuffer, A.NativeTypedData]);
     _inheritMany(J.LegacyJavaScriptObject, [J.PlainJavaScriptObject, J.UnknownJavaScriptObject, J.JavaScriptFunction]);
@@ -28084,14 +28458,14 @@
     _inheritMany(A._CastIterableBase, [A.CastIterable, A.__CastListBase__CastIterableBase_ListMixin]);
     _inherit(A._EfficientLengthCastIterable, A.CastIterable);
     _inherit(A._CastListBase, A.__CastListBase__CastIterableBase_ListMixin);
-    _inheritMany(A.Closure, [A.Closure2Args, A.Closure0Args, A.Instantiation, A.TearOffClosure, A.initHooks_closure, A.initHooks_closure1, A._AsyncRun__initializeScheduleImmediate_internalCallback, A._AsyncRun__initializeScheduleImmediate_closure, A._awaitOnObject_closure, A._Future__propagateToListeners_handleWhenCompleteCallback_closure, A._Future_timeout_closure0, A.Stream_length_closure, A.Stream_first_closure0, A._CustomZone_bindUnaryCallback_closure, A._CustomZone_bindUnaryCallbackGuarded_closure, A._RootZone_bindUnaryCallback_closure, A._RootZone_bindUnaryCallbackGuarded_closure, A.runZonedGuarded_closure, A._CustomHashMap_closure, A._LinkedCustomHashMap_closure, A._BigIntImpl_hashCode_finish, A._Uri__makePath_closure, A.FutureOfJSAnyToJSPromise_get_toJS__closure, A.FutureOfVoidToJSPromise_get_toJS__closure, A.jsify__convert, A.promiseToFuture_closure, A.promiseToFuture_closure0, A.dartify_convert, A.StreamQueue__ensureListening_closure, A.BuiltListMultimap_BuiltListMultimap_closure, A.BuiltListMultimap_hashCode_closure, A.ListMultimapBuilder_replace_closure, A.BuiltMap_BuiltMap_closure, A.BuiltMap_hashCode_closure, A.BuiltSet_hashCode_closure, A.BuiltSetMultimap_hashCode_closure, A.SetMultimapBuilder_replace_closure, A.newBuiltValueToStringHelper_closure, A.BuiltListMultimapSerializer_serialize_closure, A.BuiltListMultimapSerializer_deserialize_closure, A.BuiltListSerializer_serialize_closure, A.BuiltListSerializer_deserialize_closure, A.BuiltSetMultimapSerializer_serialize_closure, A.BuiltSetMultimapSerializer_deserialize_closure, A.BuiltSetSerializer_serialize_closure, A.BuiltSetSerializer_deserialize_closure, A.ListSerializer_serialize_closure, A.SetSerializer_serialize_closure, A.CanonicalizedMap_keys_closure, A.WebSocketClient_stream_closure, A.BaseRequest_closure0, A.BrowserClient_send_closure, A.BrowserClient_send_closure0, A.ByteStream_toBytes_closure, A.MediaType_toString__closure, A.expectQuotedString_closure, A.Context_joinAll_closure, A.Context_split_closure, A._validateArgList_closure, A.Pool__runOnRelease_closure, A.Highlighter$__closure, A.Highlighter$___closure, A.Highlighter$__closure0, A.Highlighter__collateLines_closure, A.Highlighter__collateLines_closure1, A.Highlighter__collateLines__closure, A.Highlighter_highlight_closure, A.SseClient_closure0, A.SseClient_closure1, A.generateUuidV4_generateBits, A._GuaranteeSink__addError_closure, A._EventStreamSubscription_closure, A._EventStreamSubscription_onData_closure, A.BrowserWebSocket_connect_closure, A.BrowserWebSocket_connect_closure0, A.BrowserWebSocket_connect_closure1, A.BrowserWebSocket_connect_closure2, A.AdapterWebSocketChannel_closure, A.AdapterWebSocketChannel__closure, A.AdapterWebSocketChannel__closure0, A.AdapterWebSocketChannel_closure0, A.main__closure1, A.main__closure3, A.main___closure2, A.main___closure1, A.main__closure5, A.main___closure0, A.main___closure, A.main__closure7, A.main__closure8, A.main__closure9, A._sendConnectRequest_closure, A._launchCommunicationWithDebugExtension_closure, A._handleAuthRequest_closure, A._sendResponse_closure, A.DdcLibraryBundleRestarter_restart_closure, A.DdcLibraryBundleRestarter_hotReloadStart_closure0, A.DdcRestarter_restart_closure0, A.DdcRestarter_restart_closure, A.RequireRestarter__reloadModule_closure0, A.JSArrayExtension_toDartIterable_closure]);
-    _inheritMany(A.Closure2Args, [A._CastListBase_sort_closure, A.CastMap_forEach_closure, A.ConstantMap_map_closure, A.JsLinkedHashMap_addAll_closure, A.initHooks_closure0, A._awaitOnObject_closure0, A._wrapJsFunctionForAsync_closure, A._Future__propagateToListeners_handleWhenCompleteCallback_closure0, A._Future_timeout_closure1, A._BufferingStreamSubscription_asFuture_closure0, A.LinkedHashMap_LinkedHashMap$from_closure, A.MapBase_mapToString_closure, A._JsonStringifier_writeMap_closure, A._BigIntImpl_hashCode_combine, A.Uri__parseIPv4Address_error, A.Uri_parseIPv6Address_error, A.Uri_parseIPv6Address_parseHex, A.FutureOfJSAnyToJSPromise_get_toJS_closure, A.FutureOfJSAnyToJSPromise_get_toJS__closure0, A.FutureOfVoidToJSPromise_get_toJS_closure, A.FutureOfVoidToJSPromise_get_toJS__closure0, A.StreamQueue__ensureListening_closure1, A.hashObjects_closure, A.MapBuilder_replace_closure, A.CanonicalizedMap_addAll_closure, A.CanonicalizedMap_forEach_closure, A.CanonicalizedMap_map_closure, A.safeUnawaited_closure, A.BaseRequest_closure, A.MediaType_toString_closure, A.Pool__runOnRelease_closure0, A.Highlighter__collateLines_closure0, A.generateUuidV4_printDigits, A.generateUuidV4_bitsDigits, A.main__closure4, A.main_closure0]);
+    _inheritMany(A.Closure, [A.Closure2Args, A.Closure0Args, A.Instantiation, A.TearOffClosure, A.initHooks_closure, A.initHooks_closure1, A._AsyncRun__initializeScheduleImmediate_internalCallback, A._AsyncRun__initializeScheduleImmediate_closure, A._awaitOnObject_closure, A._asyncStarHelper_closure0, A._Future__propagateToListeners_handleWhenCompleteCallback_closure, A._Future_timeout_closure0, A.Stream_length_closure, A.Stream_first_closure0, A._CustomZone_bindUnaryCallback_closure, A._CustomZone_bindUnaryCallbackGuarded_closure, A._RootZone_bindUnaryCallback_closure, A._RootZone_bindUnaryCallbackGuarded_closure, A.runZonedGuarded_closure, A._CustomHashMap_closure, A._LinkedCustomHashMap_closure, A._BigIntImpl_hashCode_finish, A._Uri__makePath_closure, A.FutureOfJSAnyToJSPromise_get_toJS__closure, A.FutureOfVoidToJSPromise_get_toJS__closure, A.jsify__convert, A.promiseToFuture_closure, A.promiseToFuture_closure0, A.dartify_convert, A.StreamQueue__ensureListening_closure, A.BuiltListMultimap_BuiltListMultimap_closure, A.BuiltListMultimap_hashCode_closure, A.ListMultimapBuilder_replace_closure, A.BuiltMap_BuiltMap_closure, A.BuiltMap_hashCode_closure, A.BuiltSet_hashCode_closure, A.BuiltSetMultimap_hashCode_closure, A.SetMultimapBuilder_replace_closure, A.newBuiltValueToStringHelper_closure, A.BuiltListMultimapSerializer_serialize_closure, A.BuiltListMultimapSerializer_deserialize_closure, A.BuiltListSerializer_serialize_closure, A.BuiltListSerializer_deserialize_closure, A.BuiltSetMultimapSerializer_serialize_closure, A.BuiltSetMultimapSerializer_deserialize_closure, A.BuiltSetSerializer_serialize_closure, A.BuiltSetSerializer_deserialize_closure, A.ListSerializer_serialize_closure, A.SetSerializer_serialize_closure, A.CanonicalizedMap_keys_closure, A.WebSocketClient_stream_closure, A.BaseRequest_closure0, A.BrowserClient_send_closure, A._readBody_closure, A._readBody_closure0, A.ByteStream_toBytes_closure, A.MediaType_toString__closure, A.expectQuotedString_closure, A.Context_joinAll_closure, A.Context_split_closure, A._validateArgList_closure, A.Pool__runOnRelease_closure, A.Highlighter$__closure, A.Highlighter$___closure, A.Highlighter$__closure0, A.Highlighter__collateLines_closure, A.Highlighter__collateLines_closure1, A.Highlighter__collateLines__closure, A.Highlighter_highlight_closure, A.SseClient_closure0, A.SseClient_closure1, A._GuaranteeSink__addError_closure, A._EventStreamSubscription_closure, A._EventStreamSubscription_onData_closure, A.BrowserWebSocket_connect_closure, A.BrowserWebSocket_connect_closure0, A.BrowserWebSocket_connect_closure1, A.BrowserWebSocket_connect_closure2, A.AdapterWebSocketChannel_closure, A.AdapterWebSocketChannel__closure, A.AdapterWebSocketChannel__closure0, A.AdapterWebSocketChannel_closure0, A.main__closure1, A.main__closure3, A.main___closure2, A.main___closure1, A.main__closure5, A.main___closure0, A.main___closure, A.main__closure7, A.main__closure8, A.main__closure9, A._sendConnectRequest_closure, A._launchCommunicationWithDebugExtension_closure, A._handleAuthRequest_closure, A._sendResponse_closure, A.DdcLibraryBundleRestarter_restart_closure, A.DdcLibraryBundleRestarter_hotReloadStart_closure0, A.DdcRestarter_restart_closure0, A.DdcRestarter_restart_closure, A.RequireRestarter__reloadModule_closure0, A.JSArrayExtension_toDartIterable_closure]);
+    _inheritMany(A.Closure2Args, [A._CastListBase_sort_closure, A.CastMap_forEach_closure, A.ConstantMap_map_closure, A.JsLinkedHashMap_addAll_closure, A.initHooks_closure0, A._awaitOnObject_closure0, A._wrapJsFunctionForAsync_closure, A._Future__propagateToListeners_handleWhenCompleteCallback_closure0, A._Future_timeout_closure1, A._AddStreamState_makeErrorHandler_closure, A._BufferingStreamSubscription_asFuture_closure0, A.LinkedHashMap_LinkedHashMap$from_closure, A.MapBase_mapToString_closure, A._JsonStringifier_writeMap_closure, A._BigIntImpl_hashCode_combine, A.Uri__parseIPv4Address_error, A.Uri_parseIPv6Address_error, A.Uri_parseIPv6Address_parseHex, A.FutureOfJSAnyToJSPromise_get_toJS_closure, A.FutureOfJSAnyToJSPromise_get_toJS__closure0, A.FutureOfVoidToJSPromise_get_toJS_closure, A.FutureOfVoidToJSPromise_get_toJS__closure0, A.StreamQueue__ensureListening_closure1, A.hashObjects_closure, A.MapBuilder_replace_closure, A.CanonicalizedMap_addAll_closure, A.CanonicalizedMap_forEach_closure, A.CanonicalizedMap_map_closure, A.safeUnawaited_closure, A.BaseRequest_closure, A.MediaType_toString_closure, A.Pool__runOnRelease_closure0, A.Highlighter__collateLines_closure0, A.main__closure4, A.main_closure0]);
     _inherit(A.CastList, A._CastListBase);
     _inheritMany(A.MapBase, [A.CastMap, A.JsLinkedHashMap, A._HashMap, A._JsonMap]);
     _inheritMany(A.Error, [A.LateError, A.TypeError, A.JsNoSuchMethodError, A.UnknownJsTypeError, A.RuntimeError, A._Error, A.JsonUnsupportedObjectError, A.AssertionError, A.ArgumentError, A.UnsupportedError, A.UnimplementedError, A.StateError, A.ConcurrentModificationError, A.BuiltValueNullFieldError, A.BuiltValueNestedFieldError, A.DeserializationError]);
     _inherit(A.UnmodifiableListBase, A.ListBase);
     _inheritMany(A.UnmodifiableListBase, [A.CodeUnits, A.UnmodifiableListView]);
-    _inheritMany(A.Closure0Args, [A.nullFuture_closure, A._AsyncRun__scheduleImmediateJsOverride_internalCallback, A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback, A._TimerImpl_internalCallback, A._TimerImpl$periodic_closure, A.Future_Future$microtask_closure, A._Future__addListener_closure, A._Future__prependListeners_closure, A._Future__chainCoreFuture_closure, A._Future__asyncCompleteWithValue_closure, A._Future__asyncCompleteErrorObject_closure, A._Future__propagateToListeners_handleWhenCompleteCallback, A._Future__propagateToListeners_handleValueCallback, A._Future__propagateToListeners_handleError, A._Future_timeout_closure, A.Stream_length_closure0, A.Stream_first_closure, A._StreamController__subscribe_closure, A._StreamController__recordCancel_complete, A._BufferingStreamSubscription_asFuture_closure, A._BufferingStreamSubscription_asFuture__closure, A._BufferingStreamSubscription__sendError_sendError, A._BufferingStreamSubscription__sendDone_sendDone, A._PendingEvents_schedule_closure, A._cancelAndValue_closure, A._CustomZone_bindCallback_closure, A._CustomZone_bindCallbackGuarded_closure, A._rootHandleError_closure, A._RootZone_bindCallback_closure, A._RootZone_bindCallbackGuarded_closure, A._Utf8Decoder__decoder_closure, A._Utf8Decoder__decoderNonfatal_closure, A.StreamQueue__ensureListening_closure0, A.Serializers_Serializers_closure, A.Serializers_Serializers_closure0, A.Serializers_Serializers_closure1, A.Serializers_Serializers_closure2, A.Serializers_Serializers_closure3, A._$serializers_closure, A._$serializers_closure0, A.BatchedStreamController__hasEventOrTimeOut_closure, A.BatchedStreamController__hasEventDuring_closure, A.MediaType_MediaType$parse_closure, A.Logger_Logger_closure, A.Highlighter_closure, A.Highlighter__writeFileStart_closure, A.Highlighter__writeMultilineHighlights_closure, A.Highlighter__writeMultilineHighlights_closure0, A.Highlighter__writeMultilineHighlights_closure1, A.Highlighter__writeMultilineHighlights_closure2, A.Highlighter__writeMultilineHighlights__closure, A.Highlighter__writeMultilineHighlights__closure0, A.Highlighter__writeHighlightedText_closure, A.Highlighter__writeIndicator_closure, A.Highlighter__writeIndicator_closure0, A.Highlighter__writeIndicator_closure1, A.Highlighter__writeSidebar_closure, A._Highlight_closure, A.SseClient_closure, A.SseClient__closure, A.SseClient__onOutgoingMessage_closure, A.GuaranteeChannel_closure, A.GuaranteeChannel__closure, A.AdapterWebSocketChannel__closure1, A.main_closure, A.main__closure, A.main__closure0, A.main__closure2, A.main__closure6, A.DdcLibraryBundleRestarter_hotReloadStart_closure, A.RequireRestarter__reload_closure, A.RequireRestarter__reloadModule_closure, A._createScript_closure, A._createScript__closure, A._createScript__closure0, A.runMain_closure]);
+    _inheritMany(A.Closure0Args, [A.nullFuture_closure, A._AsyncRun__scheduleImmediateJsOverride_internalCallback, A._AsyncRun__scheduleImmediateWithSetImmediate_internalCallback, A._TimerImpl_internalCallback, A._TimerImpl$periodic_closure, A._asyncStarHelper_closure, A._AsyncStarStreamController__resumeBody, A._AsyncStarStreamController__resumeBody_closure, A._AsyncStarStreamController_closure0, A._AsyncStarStreamController_closure1, A._AsyncStarStreamController_closure, A._AsyncStarStreamController__closure, A.Future_Future$microtask_closure, A._Future__addListener_closure, A._Future__prependListeners_closure, A._Future__chainCoreFuture_closure, A._Future__asyncCompleteWithValue_closure, A._Future__asyncCompleteErrorObject_closure, A._Future__propagateToListeners_handleWhenCompleteCallback, A._Future__propagateToListeners_handleValueCallback, A._Future__propagateToListeners_handleError, A._Future_timeout_closure, A.Stream_length_closure0, A.Stream_first_closure, A._StreamController__subscribe_closure, A._StreamController__recordCancel_complete, A._AddStreamState_cancel_closure, A._BufferingStreamSubscription_asFuture_closure, A._BufferingStreamSubscription_asFuture__closure, A._BufferingStreamSubscription__sendError_sendError, A._BufferingStreamSubscription__sendDone_sendDone, A._PendingEvents_schedule_closure, A._cancelAndValue_closure, A._CustomZone_bindCallback_closure, A._CustomZone_bindCallbackGuarded_closure, A._rootHandleError_closure, A._RootZone_bindCallback_closure, A._RootZone_bindCallbackGuarded_closure, A._Utf8Decoder__decoder_closure, A._Utf8Decoder__decoderNonfatal_closure, A.StreamQueue__ensureListening_closure0, A.Serializers_Serializers_closure, A.Serializers_Serializers_closure0, A.Serializers_Serializers_closure1, A.Serializers_Serializers_closure2, A.Serializers_Serializers_closure3, A._$serializers_closure, A._$serializers_closure0, A.BatchedStreamController__hasEventOrTimeOut_closure, A.BatchedStreamController__hasEventDuring_closure, A.MediaType_MediaType$parse_closure, A.Logger_Logger_closure, A.Highlighter_closure, A.Highlighter__writeFileStart_closure, A.Highlighter__writeMultilineHighlights_closure, A.Highlighter__writeMultilineHighlights_closure0, A.Highlighter__writeMultilineHighlights_closure1, A.Highlighter__writeMultilineHighlights_closure2, A.Highlighter__writeMultilineHighlights__closure, A.Highlighter__writeMultilineHighlights__closure0, A.Highlighter__writeHighlightedText_closure, A.Highlighter__writeIndicator_closure, A.Highlighter__writeIndicator_closure0, A.Highlighter__writeIndicator_closure1, A.Highlighter__writeSidebar_closure, A._Highlight_closure, A.SseClient_closure, A.SseClient__closure, A.SseClient__onOutgoingMessage_closure, A.GuaranteeChannel_closure, A.GuaranteeChannel__closure, A.AdapterWebSocketChannel__closure1, A.main_closure, A.main__closure, A.main__closure0, A.main__closure2, A.main__closure6, A.DdcLibraryBundleRestarter_hotReloadStart_closure, A.RequireRestarter__reload_closure, A.RequireRestarter__reloadModule_closure, A._createScript_closure, A._createScript__closure, A._createScript__closure0, A.runMain_closure]);
     _inheritMany(A.EfficientLengthIterable, [A.ListIterable, A.EmptyIterable, A.LinkedHashMapKeysIterable, A.LinkedHashMapValuesIterable, A.LinkedHashMapEntriesIterable, A._HashMapKeyIterable]);
     _inheritMany(A.ListIterable, [A.SubListIterable, A.MappedListIterable, A.ReversedListIterable, A.ListQueue, A._JsonMapKeyIterable]);
     _inherit(A.EfficientLengthMappedIterable, A.MappedIterable);
@@ -28102,6 +28476,7 @@
     _inherit(A.NullError, A.TypeError);
     _inheritMany(A.TearOffClosure, [A.StaticClosure, A.BoundClosure]);
     _inheritMany(A.JsLinkedHashMap, [A.JsIdentityLinkedHashMap, A._LinkedCustomHashMap]);
+    _inherit(A.NativeArrayBuffer, A.NativeByteBuffer);
     _inheritMany(A.NativeTypedData, [A.NativeByteData, A.NativeTypedArray]);
     _inheritMany(A.NativeTypedArray, [A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin, A._NativeTypedArrayOfInt_NativeTypedArray_ListMixin]);
     _inherit(A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin, A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin);
@@ -28116,6 +28491,7 @@
     _inheritMany(A._StreamController, [A._AsyncStreamController, A._SyncStreamController]);
     _inherit(A._ControllerStream, A._StreamImpl);
     _inheritMany(A._BufferingStreamSubscription, [A._ControllerSubscription, A._ForwardingStreamSubscription]);
+    _inherit(A._StreamControllerAddStreamState, A._AddStreamState);
     _inheritMany(A._DelayedEvent, [A._DelayedData, A._DelayedError]);
     _inherit(A._MapStream, A._ForwardingStream);
     _inheritMany(A._Zone, [A._CustomZone, A._RootZone]);
@@ -28168,6 +28544,7 @@
     _inherit(A._$RegisterEvent, A.RegisterEvent);
     _inherit(A._$RunRequest, A.RunRequest);
     _inheritMany(A.SocketClient, [A.SseSocketClient, A.WebSocketClient]);
+    _inherit(A.RequestAbortedException, A.ClientException);
     _inherit(A.BrowserClient, A.BaseClient);
     _inherit(A.ByteStream, A.StreamView);
     _inherit(A.Request, A.BaseRequest);
@@ -28182,7 +28559,7 @@
     _inherit(A.SourceSpanWithContext, A.SourceSpanBase);
     _inheritMany(A.StreamChannelMixin, [A.SseClient, A.GuaranteeChannel, A.AdapterWebSocketChannel]);
     _inherit(A.StringScannerException, A.SourceSpanFormatException);
-    _inherit(A.MathRNG, A.RNG);
+    _inherit(A.CryptoRNG, A.RNG);
     _inheritMany(A.WebSocketEvent, [A.TextDataReceived, A.BinaryDataReceived, A.CloseReceived]);
     _inherit(A.WebSocketConnectionClosed, A.WebSocketException);
     _inherit(A._WebSocketSink, A.DelegatingStreamSink);
@@ -28202,15 +28579,15 @@
   var init = {
     G: typeof self != "undefined" ? self : globalThis,
     typeUniverse: {eC: new Map(), tR: {}, eT: {}, tPV: {}, sEA: []},
-    mangledGlobalNames: {int: "int", double: "double", num: "num", String: "String", bool: "bool", Null: "Null", List: "List", Object: "Object", Map: "Map"},
+    mangledGlobalNames: {int: "int", double: "double", num: "num", String: "String", bool: "bool", Null: "Null", List: "List", Object: "Object", Map: "Map", JSObject: "JSObject"},
     mangledNames: {},
-    types: ["~()", "Null()", "~(JSObject)", "Object?(@)", "@(@)", "Null(Object,StackTrace)", "Null(@)", "~(@)", "Null(JSObject)", "~(Object?)", "JSObject()", "Object?(Object?)", "bool(Object?)", "String(String)", "~(Object,StackTrace)", "bool(_Highlight)", "~(~())", "int(Object?)", "bool(Object?,Object?)", "Future<~>()", "Null(JavaScriptFunction)", "~(@,StackTrace)", "String(int,int)", "~(@,@)", "~(Object?,Object?)", "@()", "int(int,int)", "int(int)", "int()", "Null(JavaScriptFunction,JavaScriptFunction)", "int(@,@)", "bool(String)", "String(Match)", "~(Object[StackTrace?])", "bool()", "SetBuilder<Object>()", "MapBuilder<Object,Object>()", "~(int,@)", "ListMultimapBuilder<Object,Object>()", "ListBuilder<Object>()", "ListBuilder<DebugEvent>()", "ListBuilder<ExtensionEvent>()", "IndentingBuiltValueToStringHelper(String)", "String(@)", "bool(String,String)", "int(String)", "int(int,@)", "~(List<int>)", "MediaType()", "~(String,String)", "Object?(~)", "Logger()", "JSObject(Object,StackTrace)", "Null(@,StackTrace)", "String?()", "int(_Line)", "~(String,int?)", "Object(_Line)", "Object(_Highlight)", "int(_Highlight,_Highlight)", "List<_Line>(MapEntry<Object,List<_Highlight>>)", "~(String,int)", "SourceSpanWithContext()", "Null(~())", "~(String?)", "Future<Null>()", "~(Zone,ZoneDelegate,Zone,Object,StackTrace)", "Null(WebSocket)", "~(WebSocketEvent)", "Null(Object)", "HotReloadResponse([~(HotReloadResponseBuilder)])", "JSObject(String[bool?])", "~(List<DebugEvent>)", "ListBuilder<DebugEvent>(BatchedDebugEventsBuilder)", "Null(String,String)", "DebugEventBuilder(DebugEventBuilder)", "Null(String)", "RegisterEventBuilder(RegisterEventBuilder)", "DevToolsRequestBuilder(DevToolsRequestBuilder)", "Future<~>(String)", "ConnectRequestBuilder(ConnectRequestBuilder)", "DebugInfoBuilder(DebugInfoBuilder)", "~(bool)", "@(@,String)", "bool(bool)", "List<String>(String)", "int(String,String)", "Null(JavaScriptObject)", "JSObject()()", "SetMultimapBuilder<Object,Object>()", "@(String)", "~(Zone?,ZoneDelegate?,Zone,Object,StackTrace)", "0^(Zone?,ZoneDelegate?,Zone,0^())<Object?>", "0^(Zone?,ZoneDelegate?,Zone,0^(1^),1^)<Object?,Object?>", "0^(Zone?,ZoneDelegate?,Zone,0^(1^,2^),1^,2^)<Object?,Object?,Object?>", "0^()(Zone,ZoneDelegate,Zone,0^())<Object?>", "0^(1^)(Zone,ZoneDelegate,Zone,0^(1^))<Object?,Object?>", "0^(1^,2^)(Zone,ZoneDelegate,Zone,0^(1^,2^))<Object?,Object?,Object?>", "AsyncError?(Zone,ZoneDelegate,Zone,Object,StackTrace?)", "~(Zone?,ZoneDelegate?,Zone,~())", "Timer(Zone,ZoneDelegate,Zone,Duration,~())", "Timer(Zone,ZoneDelegate,Zone,Duration,~(Timer))", "~(Zone,ZoneDelegate,Zone,String)", "~(String)", "Zone(Zone?,ZoneDelegate?,Zone,ZoneSpecification?,Map<Object?,Object?>?)", "0^(0^,0^)<num>", "String(String?)"],
+    types: ["~()", "Null()", "~(JSObject)", "Object?(@)", "Null(@)", "Null(Object,StackTrace)", "@(@)", "~(@)", "~(Object?)", "~(Object,StackTrace)", "JSObject()", "Object?(Object?)", "bool(Object?)", "String(String)", "Null(JSObject)", "bool(_Highlight)", "~(~())", "int(Object?)", "bool(Object?,Object?)", "Future<~>()", "int(@,@)", "Null(JavaScriptFunction)", "~(@,StackTrace)", "~(Object[StackTrace?])", "~(@,@)", "~(Object?,Object?)", "@()", "int(int,int)", "int()", "bool(String)", "Null(JavaScriptFunction,JavaScriptFunction)", "String(Match)", "bool()", "ListBuilder<Object>()", "ListMultimapBuilder<Object,Object>()", "MapBuilder<Object,Object>()", "IndentingBuiltValueToStringHelper(String)", "SetMultimapBuilder<Object,Object>()", "_Future<@>?()", "int(int,@)", "Object?(~)", "ListBuilder<DebugEvent>()", "ListBuilder<ExtensionEvent>()", "JSObject(Object,StackTrace)", "String(@)", "bool(String,String)", "int(String)", "Null(String,String[Object?])", "bool(Object)", "~(List<int>)", "MediaType()", "~(String,String)", "~(int,@)", "Logger()", "~(String,int?)", "String(String?)", "String?()", "int(_Line)", "~(String,int)", "Object(_Line)", "Object(_Highlight)", "int(_Highlight,_Highlight)", "List<_Line>(MapEntry<Object,List<_Highlight>>)", "int(int)", "SourceSpanWithContext()", "Null(@,StackTrace)", "~(String?)", "Future<Null>()", "~(Zone,ZoneDelegate,Zone,Object,StackTrace)", "Null(WebSocket)", "~(WebSocketEvent)", "Null(Object)", "HotReloadResponse([~(HotReloadResponseBuilder)])", "JSObject(String[bool?])", "~(List<DebugEvent>)", "ListBuilder<DebugEvent>(BatchedDebugEventsBuilder)", "Null(String,String)", "DebugEventBuilder(DebugEventBuilder)", "Null(String)", "RegisterEventBuilder(RegisterEventBuilder)", "DevToolsRequestBuilder(DevToolsRequestBuilder)", "Future<~>(String)", "ConnectRequestBuilder(ConnectRequestBuilder)", "DebugInfoBuilder(DebugInfoBuilder)", "~(bool)", "Null(~())", "bool(bool)", "List<String>(String)", "int(String,String)", "Null(JavaScriptObject)", "JSObject()()", "@(@,String)", "@(String)", "~(Zone?,ZoneDelegate?,Zone,Object,StackTrace)", "0^(Zone?,ZoneDelegate?,Zone,0^())<Object?>", "0^(Zone?,ZoneDelegate?,Zone,0^(1^),1^)<Object?,Object?>", "0^(Zone?,ZoneDelegate?,Zone,0^(1^,2^),1^,2^)<Object?,Object?,Object?>", "0^()(Zone,ZoneDelegate,Zone,0^())<Object?>", "0^(1^)(Zone,ZoneDelegate,Zone,0^(1^))<Object?,Object?>", "0^(1^,2^)(Zone,ZoneDelegate,Zone,0^(1^,2^))<Object?,Object?,Object?>", "AsyncError?(Zone,ZoneDelegate,Zone,Object,StackTrace?)", "~(Zone?,ZoneDelegate?,Zone,~())", "Timer(Zone,ZoneDelegate,Zone,Duration,~())", "Timer(Zone,ZoneDelegate,Zone,Duration,~(Timer))", "~(Zone,ZoneDelegate,Zone,String)", "~(String)", "Zone(Zone?,ZoneDelegate?,Zone,ZoneSpecification?,Map<Object?,Object?>?)", "0^(0^,0^)<num>", "SetBuilder<Object>()"],
     interceptorsByTag: null,
     leafTags: null,
     arrayRti: Symbol("$ti"),
     rttc: {}
   };
-  A._Universe_addRules(init.typeUniverse, 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able":["SourceSpan"]},"SourceLocation":{"Comparable":["SourceLocation"]},"SourceLocationMixin":{"SourceLocation":[],"Comparable":["SourceLocation"]},"SourceSpan":{"Comparable":["SourceSpan"]},"SourceSpanBase":{"SourceSpan":[],"Comparable":["SourceSpan"]},"SourceSpanException":{"Exception":[]},"SourceSpanFormatException":{"FormatException":[],"Exception":[]},"SourceSpanMixin":{"SourceSpan":[],"Comparable":["SourceSpan"]},"SourceSpanWithContext":{"SourceSpan":[],"Comparable":["SourceSpan"]},"SseClient":{"StreamChannel":["String?"]},"GuaranteeChannel":{"StreamChannel":["1"]},"_GuaranteeSink":{"StreamSink":["1"]},"StreamChannelMixin":{"StreamChannel":["1"]},"StringScannerException":{"FormatException":[],"Exception":[]},"_EventStream":{"Stream":["1"],"Stream.T":"1"},"_EventStreamSubscription":{"StreamSubscription":["1"]},"BrowserWebSocket":{"WebSocket":[]},"TextDataReceived":{"WebSocketEvent":[]},"BinaryDataReceived":{"WebSocketEvent":[]},"CloseReceived":{"WebSocketEvent":[]},"WebSocketException":{"Exception":[]},"WebSocketConnectionClosed":{"Exception":[]},"AdapterWebSocketChannel":{"WebSocketChannel":[],"StreamChannel":["@"]},"_WebSocketSink":{"WebSocketSink":[],"DelegatingStreamSink":["@"],"StreamSink":["@"],"DelegatingStreamSink.T":"@"},"WebSocketChannelException":{"Exception":[]},"DdcLibraryBundleRestarter":{"Restarter":[]},"DdcRestarter":{"Restarter":[]},"RequireRestarter":{"Restarter":[]},"HotReloadFailedException":{"Exception":[]},"Int8List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"]},"Uint8List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"]},"Uint8ClampedList":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"]},"Int16List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"]},"Uint16List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"]},"Int32List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"]},"Uint32List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"]},"Float32List":{"List":["double"],"EfficientLengthIterable":["double"],"Iterable":["double"]},"Float64List":{"List":["double"],"EfficientLengthIterable":["double"],"Iterable":["double"]}}'));
   A._Universe_addErasedTypes(init.typeUniverse, JSON.parse('{"UnmodifiableListBase":1,"__CastListBase__CastIterableBase_ListMixin":2,"NativeTypedArray":1,"_DelayedEvent":1,"_SplayTreeSet__SplayTree_Iterable":1,"_SplayTreeSet__SplayTree_Iterable_SetMixin":1,"_QueueList_Object_ListMixin":1,"StreamChannelMixin":1}'));
   var string$ = {
     x00_____: "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\u03f6\x00\u0404\u03f4 \u03f4\u03f6\u01f6\u01f6\u03f6\u03fc\u01f4\u03ff\u03ff\u0584\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u05d4\u01f4\x00\u01f4\x00\u0504\u05c4\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u0400\x00\u0400\u0200\u03f7\u0200\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u03ff\u0200\u0200\u0200\u03f7\x00",
@@ -28223,6 +28600,7 @@
     Error_: "Error handler must accept one Object or one Object and a StackTrace as arguments, and return a value of the returned future's type",
     Hot_reA: "Hot reload is not supported for the AMD module format.",
     Hot_reD: "Hot reload is not supported for the DDC module format.",
+    max_mu: "max must be in range 0 < max \u2264 2^32, was ",
     serial: "serializer must be StructuredSerializer or PrimitiveSerializer"
   };
   var type$ = (function rtii() {
@@ -28238,8 +28616,6 @@
       BuildResult: findType("BuildResult"),
       BuildStatus: findType("BuildStatus"),
       BuiltListMultimap_dynamic_dynamic: findType("BuiltListMultimap<@,@>"),
-      BuiltList_DebugEvent: findType("BuiltList<DebugEvent>"),
-      BuiltList_ExtensionEvent: findType("BuiltList<ExtensionEvent>"),
       BuiltList_dynamic: findType("BuiltList<@>"),
       BuiltList_nullable_Object: findType("BuiltList<Object?>"),
       BuiltMap_dynamic_dynamic: findType("BuiltMap<@,@>"),
@@ -28285,6 +28661,7 @@
       Iterable_int: findType("Iterable<int>"),
       Iterable_nullable_Object: findType("Iterable<Object?>"),
       JSArray_FullType: findType("JSArray<FullType>"),
+      JSArray_JSObject: findType("JSArray<JSObject>"),
       JSArray_Object: findType("JSArray<Object>"),
       JSArray_String: findType("JSArray<String>"),
       JSArray_Type: findType("JSArray<Type>"),
@@ -28324,7 +28701,7 @@
       Map_of_String_and_nullable_Object: findType("Map<String,Object?>"),
       MappedListIterable_String_dynamic: findType("MappedListIterable<String,@>"),
       MediaType: findType("MediaType"),
-      NativeByteBuffer: findType("NativeByteBuffer"),
+      NativeArrayBuffer: findType("NativeArrayBuffer"),
       NativeTypedArrayOfInt: findType("NativeTypedArrayOfInt"),
       NativeUint8List: findType("NativeUint8List"),
       Null: findType("Null"),
@@ -28354,6 +28731,7 @@
       StackTrace: findType("StackTrace"),
       StreamChannelController_nullable_Object: findType("StreamChannelController<Object?>"),
       StreamQueue_DebugEvent: findType("StreamQueue<DebugEvent>"),
+      Stream_dynamic: findType("Stream<@>"),
       StreamedResponse: findType("StreamedResponse"),
       String: findType("String"),
       String_Function_Match: findType("String(Match)"),
@@ -28377,19 +28755,18 @@
       Zone: findType("Zone"),
       _AsyncCompleter_BrowserWebSocket: findType("_AsyncCompleter<BrowserWebSocket>"),
       _AsyncCompleter_PoolResource: findType("_AsyncCompleter<PoolResource>"),
-      _AsyncCompleter_StreamedResponse: findType("_AsyncCompleter<StreamedResponse>"),
       _AsyncCompleter_String: findType("_AsyncCompleter<String>"),
       _AsyncCompleter_Uint8List: findType("_AsyncCompleter<Uint8List>"),
       _AsyncCompleter_bool: findType("_AsyncCompleter<bool>"),
       _AsyncCompleter_dynamic: findType("_AsyncCompleter<@>"),
       _AsyncCompleter_void: findType("_AsyncCompleter<~>"),
+      _AsyncStreamController_List_int: findType("_AsyncStreamController<List<int>>"),
       _BigIntImpl: findType("_BigIntImpl"),
       _BuiltMap_dynamic_dynamic: findType("_BuiltMap<@,@>"),
       _EventRequest_dynamic: findType("_EventRequest<@>"),
       _EventStream_JSObject: findType("_EventStream<JSObject>"),
       _Future_BrowserWebSocket: findType("_Future<BrowserWebSocket>"),
       _Future_PoolResource: findType("_Future<PoolResource>"),
-      _Future_StreamedResponse: findType("_Future<StreamedResponse>"),
       _Future_String: findType("_Future<String>"),
       _Future_Uint8List: findType("_Future<Uint8List>"),
       _Future_bool: findType("_Future<bool>"),
@@ -28433,6 +28810,7 @@
       nullable__Highlight: findType("_Highlight?"),
       nullable__LinkedHashSetCell: findType("_LinkedHashSetCell?"),
       nullable_bool: findType("bool?"),
+      nullable_bool_Function_Object: findType("bool(Object)?"),
       nullable_double: findType("double?"),
       nullable_int: findType("int?"),
       nullable_num: findType("num?"),
@@ -28453,7 +28831,8 @@
       void_Function_Object: findType("~(Object)"),
       void_Function_Object_StackTrace: findType("~(Object,StackTrace)"),
       void_Function_String_dynamic: findType("~(String,@)"),
-      void_Function_Timer: findType("~(Timer)")
+      void_Function_Timer: findType("~(Timer)"),
+      void_Function_int_dynamic: findType("~(int,@)")
     };
   })();
   (function constants() {
@@ -28466,6 +28845,7 @@
     B.JSString_methods = J.JSString.prototype;
     B.JavaScriptFunction_methods = J.JavaScriptFunction.prototype;
     B.JavaScriptObject_methods = J.JavaScriptObject.prototype;
+    B.NativeByteData_methods = A.NativeByteData.prototype;
     B.NativeUint32List_methods = A.NativeUint32List.prototype;
     B.NativeUint8List_methods = A.NativeUint8List.prototype;
     B.PlainJavaScriptObject_methods = J.PlainJavaScriptObject.prototype;
@@ -28880,6 +29260,11 @@
     _lazyFinal($, "_Uri__needsNoEncoding", "$get$_Uri__needsNoEncoding", () => A.RegExp_RegExp("^[\\-\\.0-9A-Z_a-z~]*$", true, false));
     _lazyFinal($, "_hashSeed", "$get$_hashSeed", () => A.objectHashCode(B.Type_Object_A4p));
     _lazyFinal($, "_jsBoxedDartObjectProperty", "$get$_jsBoxedDartObjectProperty", () => Symbol("jsBoxedDartObjectProperty"));
+    _lazyFinal($, "Random__secureRandom", "$get$Random__secureRandom", () => {
+      var t1 = new A._JSSecureRandom(new DataView(new ArrayBuffer(A._checkLength(8))));
+      t1._JSSecureRandom$0();
+      return t1;
+    });
     _lazyFinal($, "isSoundMode", "$get$isSoundMode", () => !type$.List_int._is(A._setArrayType([], A.findType("JSArray<int?>"))));
     _lazy($, "newBuiltValueToStringHelper", "$get$newBuiltValueToStringHelper", () => new A.newBuiltValueToStringHelper_closure());
     _lazyFinal($, "_runtimeType", "$get$_runtimeType", () => A.getRuntimeTypeOfDartObject(A.RegExp_RegExp("", true, false)));
@@ -28931,11 +29316,10 @@
     });
     _lazyFinal($, "_logger", "$get$_logger", () => A.Logger_Logger("Utilities"));
     _lazyFinal($, "BaseRequest__tokenRE", "$get$BaseRequest__tokenRE", () => A.RegExp_RegExp("^[\\w!#%&'*+\\-.^`|~]+$", true, false));
-    _lazyFinal($, "_digitRegex", "$get$_digitRegex", () => A.RegExp_RegExp("^\\d+$", true, false));
     _lazyFinal($, "_escapedChar", "$get$_escapedChar", () => A.RegExp_RegExp('["\\x00-\\x1F\\x7F]', true, false));
     _lazyFinal($, "token", "$get$token", () => A.RegExp_RegExp('[^()<>@,;:"\\\\/[\\]?={} \\t\\x00-\\x1F\\x7F]+', true, false));
     _lazyFinal($, "_lws", "$get$_lws", () => A.RegExp_RegExp("(?:\\r\\n)?[ \\t]+", true, false));
-    _lazyFinal($, "_quotedString", "$get$_quotedString", () => A.RegExp_RegExp('"(?:[^"\\x00-\\x1F\\x7F]|\\\\.)*"', true, false));
+    _lazyFinal($, "_quotedString", "$get$_quotedString", () => A.RegExp_RegExp('"(?:[^"\\x00-\\x1F\\x7F\\\\]|\\\\.)*"', true, false));
     _lazyFinal($, "_quotedPair", "$get$_quotedPair", () => A.RegExp_RegExp("\\\\(.)", true, false));
     _lazyFinal($, "nonToken", "$get$nonToken", () => A.RegExp_RegExp('[()<>@,;:"\\\\/\\[\\]?={} \\t\\x00-\\x1F\\x7F]', true, false));
     _lazyFinal($, "whitespace", "$get$whitespace", () => A.RegExp_RegExp("(?:" + $.$get$_lws().pattern + ")*", true, false));
@@ -28954,10 +29338,7 @@
       t4 = A.Completer_Completer(type$.dynamic);
       return new A.Pool(t2, t3, t1, 1000, new A.AsyncMemoizer(t4, A.findType("AsyncMemoizer<@>")));
     });
-    _lazy($, "V1State_random", "$get$V1State_random", () => {
-      var t1 = A.Random_Random(null);
-      return new A.MathRNG(t1);
-    });
+    _lazy($, "V1State_random", "$get$V1State_random", () => new A.CryptoRNG());
     _lazyFinal($, "UuidParsing__byteToHex", "$get$UuidParsing__byteToHex", () => {
       var i,
         _list = J.JSArray_JSArray$allocateGrowable(256, type$.String);
@@ -28965,6 +29346,7 @@
         _list[i] = B.JSString_methods.padLeft$2(B.JSInt_methods.toRadixString$1(i, 16), 2, "0");
       return _list;
     });
+    _lazyFinal($, "CryptoRNG__secureRandom", "$get$CryptoRNG__secureRandom", () => $.$get$Random__secureRandom());
     _lazyFinal($, "_noncePattern", "$get$_noncePattern", () => A.RegExp_RegExp("^[\\w+/_-]+[=]{0,2}$", true, false));
     _lazyFinal($, "_createScript", "$get$_createScript", () => new A._createScript_closure().call$0());
   })();
@@ -28991,8 +29373,8 @@
       }
       init.dispatchPropertyName = init.getIsolateTag("dispatch_record");
     }();
-    hunkHelpers.setOrUpdateInterceptorsByTag({ArrayBuffer: A.NativeByteBuffer, ArrayBufferView: A.NativeTypedData, DataView: A.NativeByteData, Float32Array: A.NativeFloat32List, Float64Array: A.NativeFloat64List, Int16Array: A.NativeInt16List, Int32Array: A.NativeInt32List, Int8Array: A.NativeInt8List, Uint16Array: A.NativeUint16List, Uint32Array: A.NativeUint32List, Uint8ClampedArray: A.NativeUint8ClampedList, CanvasPixelArray: A.NativeUint8ClampedList, Uint8Array: A.NativeUint8List});
-    hunkHelpers.setOrUpdateLeafTags({ArrayBuffer: true, ArrayBufferView: false, DataView: true, Float32Array: true, Float64Array: true, Int16Array: true, Int32Array: true, Int8Array: true, Uint16Array: true, Uint32Array: true, Uint8ClampedArray: true, CanvasPixelArray: true, Uint8Array: false});
+    hunkHelpers.setOrUpdateInterceptorsByTag({SharedArrayBuffer: A.NativeByteBuffer, ArrayBuffer: A.NativeArrayBuffer, ArrayBufferView: A.NativeTypedData, DataView: A.NativeByteData, Float32Array: A.NativeFloat32List, Float64Array: A.NativeFloat64List, Int16Array: A.NativeInt16List, Int32Array: A.NativeInt32List, Int8Array: A.NativeInt8List, Uint16Array: A.NativeUint16List, Uint32Array: A.NativeUint32List, Uint8ClampedArray: A.NativeUint8ClampedList, CanvasPixelArray: A.NativeUint8ClampedList, Uint8Array: A.NativeUint8List});
+    hunkHelpers.setOrUpdateLeafTags({SharedArrayBuffer: true, ArrayBuffer: true, ArrayBufferView: false, DataView: true, Float32Array: true, Float64Array: true, Int16Array: true, Int32Array: true, Int8Array: true, Uint16Array: true, Uint32Array: true, Uint8ClampedArray: true, CanvasPixelArray: true, Uint8Array: false});
     A.NativeTypedArray.$nativeSuperclassTag = "ArrayBufferView";
     A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin.$nativeSuperclassTag = "ArrayBufferView";
     A._NativeTypedArrayOfDouble_NativeTypedArray_ListMixin_FixedLengthListMixin.$nativeSuperclassTag = "ArrayBufferView";
diff --git a/dwds/lib/src/services/chrome_proxy_service.dart b/dwds/lib/src/services/chrome_proxy_service.dart
index c98bbc8ab..c06fd89b3 100644
--- a/dwds/lib/src/services/chrome_proxy_service.dart
+++ b/dwds/lib/src/services/chrome_proxy_service.dart
@@ -38,6 +38,38 @@ import 'package:webkit_inspection_protocol/webkit_inspection_protocol.dart';
 /// Defines callbacks for sending messages to the connected client application.
 typedef SendClientRequest = void Function(Object request);
 
+// This event is identical to the one sent by the VM service from
+// sdk/lib/vmservice/vmservice.dart before existing VM service clients are
+// disconnected.
+final class DartDevelopmentServiceConnectedEvent extends Event {
+  DartDevelopmentServiceConnectedEvent({
+    required super.timestamp,
+    required this.uri,
+  }) : message =
+           'A Dart Developer Service instance has connected and this direct '
+               'connection to the VM service will now be closed. Please reconnect to '
+               'the Dart Development Service at $uri.',
+       super(kind: 'DartDevelopmentServiceConnected');
+
+  final String message;
+  final String uri;
+
+  @override
+  Map<String, Object?> toJson() => {
+    ...super.toJson(),
+    'uri': uri,
+    'message': message,
+  };
+}
+
+final class DisconnectNonDartDevelopmentServiceClients extends RPCError {
+  DisconnectNonDartDevelopmentServiceClients()
+    : super('_yieldControlToDDS', kErrorCode);
+
+  // Arbitrary error code that's unlikely to be used elsewhere.
+  static const kErrorCode = -199328;
+}
+
 /// A proxy from the chrome debug protocol to the dart vm service protocol.
 class ChromeProxyService implements VmServiceInterface {
   final bool useWebSocket;
@@ -1739,15 +1771,21 @@ class ChromeProxyService implements VmServiceInterface {
 
   @override
   Future<void> yieldControlToDDS(String uri) async {
-    final canYield = DebugService.yieldControlToDDS(uri);
+    // This will throw an RPCError if there's already an existing DDS instance.
+    DebugService.yieldControlToDDS(uri);
+
+    // Notify existing clients that DDS has connected and they're about to be
+    // disconnected.
+    final event = DartDevelopmentServiceConnectedEvent(
+      timestamp: DateTime.now().millisecondsSinceEpoch,
+      uri: uri,
+    );
+    _streamNotify(EventStreams.kService, event);
 
-    if (!canYield) {
-      throw RPCError(
-        'yieldControlToDDS',
-        RPCErrorKind.kFeatureDisabled.code,
-        'Existing VM service clients prevent DDS from taking control.',
-      );
-    }
+    // We throw since we have no other way to control what the response content
+    // is for this RPC. The debug service will check for this particular
+    // exception as a signal to close connections to all other clients.
+    throw DisconnectNonDartDevelopmentServiceClients();
   }
 
   @override
diff --git a/dwds/lib/src/services/debug_service.dart b/dwds/lib/src/services/debug_service.dart
index ac90a0e17..c38ef892a 100644
--- a/dwds/lib/src/services/debug_service.dart
+++ b/dwds/lib/src/services/debug_service.dart
@@ -24,16 +24,87 @@ import 'package:shelf/shelf.dart' as shelf;
 import 'package:shelf/shelf.dart' hide Response;
 import 'package:shelf_web_socket/shelf_web_socket.dart';
 import 'package:sse/server/sse_handler.dart';
+import 'package:stream_channel/stream_channel.dart';
+import 'package:vm_service/vm_service.dart';
 import 'package:vm_service_interface/vm_service_interface.dart';
 import 'package:web_socket_channel/web_socket_channel.dart';
 
 const _kSseHandlerPath = '\$debugHandler';
 
 bool _acceptNewConnections = true;
-int _clientsConnected = 0;
+
+final _clientConnections = <int, StreamChannel>{};
+int _clientId = 0;
 
 Logger _logger = Logger('DebugService');
 
+void _handleConnection(
+  StreamChannel channel,
+  ChromeProxyService chromeProxyService,
+  ServiceExtensionRegistry serviceExtensionRegistry, {
+  void Function(Map<String, Object>)? onRequest,
+  void Function(Map<String, Object?>)? onResponse,
+}) {
+  final clientId = _clientId++;
+  final responseController = StreamController<Map<String, Object?>>();
+  responseController.stream
+      .asyncMap((response) async {
+        // This error indicates a successful invocation to _yieldControlToDDS.
+        // We don't have a good way to access the list of connected clients
+        // while also being able to determine which client invoked the RPC
+        // without some form of client ID.
+        //
+        // We can probably do better than this, but it will likely involve some
+        // refactoring.
+        if (response case {
+          'error': {
+            'code': DisconnectNonDartDevelopmentServiceClients.kErrorCode,
+          },
+        }) {
+          final nonDdsClients = _clientConnections.entries
+              .where((MapEntry<int, StreamChannel> e) => e.key != clientId)
+              .map((e) => e.value);
+          await Future.wait([
+            for (final client in nonDdsClients) client.sink.close(),
+          ]);
+          // Remove the artificial error and return Success.
+          response.remove('error');
+          response['result'] = Success().toJson();
+        }
+        if (onResponse != null) onResponse(response);
+        channel.sink.add(jsonEncode(response));
+      })
+      .listen(channel.sink.add, onError: channel.sink.addError);
+  final inputStream = channel.stream.map((value) {
+    if (value is List<int>) {
+      value = utf8.decode(value);
+    } else if (value is! String) {
+      throw StateError(
+        'Got value with unexpected type ${value.runtimeType} from web '
+        'socket, expected a List<int> or String.',
+      );
+    }
+    final request = Map<String, Object>.from(jsonDecode(value));
+    if (onRequest != null) onRequest(request);
+    return request;
+  });
+  VmServerConnection(
+    inputStream,
+    responseController.sink,
+    serviceExtensionRegistry,
+    chromeProxyService,
+  ).done.whenComplete(() {
+    _clientConnections.remove(clientId);
+    if (!_acceptNewConnections && _clientConnections.isEmpty) {
+      // DDS has disconnected so we can allow for clients to connect directly
+      // to DWDS.
+      DebugService._ddsUri = null;
+      _acceptNewConnections = true;
+    }
+  });
+  _clientConnections[clientId] = channel;
+}
+
 void Function(WebSocketChannel, String?) _createNewConnectionHandler(
   ChromeProxyService chromeProxyService,
   ServiceExtensionRegistry serviceExtensionRegistry, {
@@ -41,40 +112,13 @@ void Function(WebSocketChannel, String?) _createNewConnectionHandler(
   void Function(Map<String, Object?>)? onResponse,
 }) {
   return (webSocket, subprotocol) {
-    final responseController = StreamController<Map<String, Object?>>();
-    webSocket.sink.addStream(
-      responseController.stream.map((response) {
-        if (onResponse != null) onResponse(response);
-        return jsonEncode(response);
-      }),
-    );
-    final inputStream = webSocket.stream.map((value) {
-      if (value is List<int>) {
-        value = utf8.decode(value);
-      } else if (value is! String) {
-        throw StateError(
-          'Got value with unexpected type ${value.runtimeType} from web '
-          'socket, expected a List<int> or String.',
-        );
-      }
-      final request = Map<String, Object>.from(jsonDecode(value));
-      if (onRequest != null) onRequest(request);
-      return request;
-    });
-    ++_clientsConnected;
-    VmServerConnection(
-      inputStream,
-      responseController.sink,
-      serviceExtensionRegistry,
+    _handleConnection(
+      webSocket,
       chromeProxyService,
-    ).done.whenComplete(() {
-      --_clientsConnected;
-      if (!_acceptNewConnections && _clientsConnected == 0) {
-        // DDS has disconnected so we can allow for clients to connect directly
-        // to DWDS.
-        _acceptNewConnections = true;
-      }
-    });
+      serviceExtensionRegistry,
+      onRequest: onRequest,
+      onResponse: onResponse,
+    );
   };
 }
 
@@ -87,41 +131,12 @@ Future<void> _handleSseConnections(
 }) async {
   while (await handler.connections.hasNext) {
     final connection = await handler.connections.next;
-    final responseController = StreamController<Map<String, Object?>>();
-    final sub = responseController.stream
-        .map((response) {
-          if (onResponse != null) onResponse(response);
-          return jsonEncode(response);
-        })
-        .listen(connection.sink.add);
-    safeUnawaited(
-      chromeProxyService.remoteDebugger.onClose.first.whenComplete(() {
-        connection.sink.close();
-        sub.cancel();
-      }),
-    );
-    final inputStream = connection.stream.map((value) {
-      final request = jsonDecode(value) as Map<String, Object>;
-      if (onRequest != null) onRequest(request);
-      return request;
-    });
-    ++_clientsConnected;
-    final vmServerConnection = VmServerConnection(
-      inputStream,
-      responseController.sink,
-      serviceExtensionRegistry,
+    _handleConnection(
+      connection,
       chromeProxyService,
-    );
-    safeUnawaited(
-      vmServerConnection.done.whenComplete(() {
-        --_clientsConnected;
-        if (!_acceptNewConnections && _clientsConnected == 0) {
-          // DDS has disconnected so we can allow for clients to connect directly
-          // to DWDS.
-          _acceptNewConnections = true;
-        }
-        return sub.cancel();
-      }),
+      serviceExtensionRegistry,
+      onRequest: onRequest,
+      onResponse: onResponse,
     );
   }
 }
@@ -207,15 +222,19 @@ class DebugService {
     return _encodedUri = encoded;
   }
 
-  // TODO(https://github.com/dart-lang/webdev/issues/2399): yieldControlToDDS
-  // should disconnect existing non-DDS clients.
-  static bool yieldControlToDDS(String uri) {
-    if (_clientsConnected > 1) {
-      return false;
+  static void yieldControlToDDS(String uri) {
+    if (_ddsUri != null) {
+      // This exception is identical to the one thrown from
+      // sdk/lib/vmservice/vmservice.dart
+      throw RPCError(
+        '_yieldControlToDDS',
+        RPCErrorKind.kFeatureDisabled.code,
+        'A DDS instance is already connected at $_ddsUri.',
+        {'ddsUri': _ddsUri.toString()},
+      );
     }
-    _ddsUri = uri;
     _acceptNewConnections = false;
-    return true;
+    _ddsUri = uri;
   }
 
   static Future<DebugService> start(
diff --git a/dwds/lib/src/version.dart b/dwds/lib/src/version.dart
index 2786a7b0a..be5fcd593 100644
--- a/dwds/lib/src/version.dart
+++ b/dwds/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '24.4.0';
+const packageVersion = '24.4.0+1';
diff --git a/dwds/pubspec.yaml b/dwds/pubspec.yaml
index f139974a6..e98e0f831 100644
--- a/dwds/pubspec.yaml
+++ b/dwds/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dwds
 # Every time this changes you need to run `dart run build_runner build`.
-version: 24.4.0
+version: 24.4.0+1
 
 description: >-
   A service that proxies between the Chrome debug protocol and the Dart VM
@@ -32,6 +32,7 @@ dependencies:
   shelf_web_socket: '>=1.0.0 <3.0.0'
   source_maps: ^0.10.10
   stack_trace: ^1.10.0
+  stream_channel: ^2.1.2
   sse: ^4.1.2
   uuid: ^4.0.0
   vm_service: '>=14.2.4 <16.0.0'
@@ -57,7 +58,6 @@ dev_dependencies:
   js: '>=0.6.4 <0.8.0'
   pubspec_parse: ^1.2.0
   puppeteer: ^3.1.1
-  stream_channel: ^2.1.2
   test: ^1.21.6
   test_common:
     path: ../test_common
diff --git a/dwds/test/debug_service_test.dart b/dwds/test/debug_service_test.dart
index ee9c3bf1a..ae9c8db8d 100644
--- a/dwds/test/debug_service_test.dart
+++ b/dwds/test/debug_service_test.dart
@@ -6,13 +6,12 @@
 @Timeout(Duration(minutes: 2))
 library;
 
-import 'dart:async';
-import 'dart:convert';
 import 'dart:io';
 
 import 'package:test/test.dart';
 import 'package:test_common/test_sdk_configuration.dart';
 import 'package:vm_service/vm_service.dart';
+import 'package:vm_service/vm_service_io.dart';
 
 import 'fixtures/context.dart';
 import 'fixtures/project.dart';
@@ -37,90 +36,64 @@ void main() {
 
   test('Refuses connections without the auth token', () async {
     expect(
-      WebSocket.connect('ws://localhost:${context.debugConnection.port}/ws'),
+      vmServiceConnectUri('ws://localhost:${context.debugConnection.port}/ws'),
       throwsA(isA<WebSocketException>()),
     );
   });
 
   test('Accepts connections with the auth token', () async {
     expect(
-      WebSocket.connect(
+      vmServiceConnectUri(
         '${context.debugConnection.uri}/ws',
-      ).then((ws) => ws.close()),
+      ).then((client) => client.dispose()),
       completes,
     );
   });
 
   test('Refuses additional connections when in single client mode', () async {
-    final ddsWs = await WebSocket.connect('${context.debugConnection.uri}/ws');
-    final completer = Completer<void>();
-    ddsWs.listen((event) {
-      final response = json.decode(event as String);
-      expect(response['id'], '0');
-      expect(response.containsKey('result'), isTrue);
-      final result = response['result'] as Map<String, dynamic>;
-      expect(result['type'], 'Success');
-      completer.complete();
-    });
-
-    const yieldControlToDDS = <String, dynamic>{
-      'jsonrpc': '2.0',
-      'id': '0',
-      'method': '_yieldControlToDDS',
-      'params': {'uri': 'http://localhost:123'},
-    };
-    ddsWs.add(json.encode(yieldControlToDDS));
-    await completer.future;
+    final fakeDds = await vmServiceConnectUri(
+      '${context.debugConnection.uri}/ws',
+    );
+    final result = await fakeDds.callMethod(
+      '_yieldControlToDDS',
+      args: {'uri': 'http://localhost:123'},
+    );
+    expect(result, isA<Success>());
 
     // While DDS is connected, expect additional connections to fail.
     await expectLater(
-      WebSocket.connect('${context.debugConnection.uri}/ws'),
+      vmServiceConnectUri('${context.debugConnection.uri}/ws'),
       throwsA(isA<WebSocketException>()),
     );
 
     // However, once DDS is disconnected, additional clients can connect again.
-    await ddsWs.close();
+    await fakeDds.dispose();
     expect(
-      WebSocket.connect(
+      vmServiceConnectUri(
         '${context.debugConnection.uri}/ws',
-      ).then((ws) => ws.close()),
+      ).then((client) => client.dispose()),
       completes,
     );
   });
 
   test('Refuses to yield to dwds if existing clients found', () async {
-    final ddsWs = await WebSocket.connect('${context.debugConnection.uri}/ws');
+    final fakeDds = await vmServiceConnectUri(
+      '${context.debugConnection.uri}/ws',
+    );
 
     // Connect to vm service.
-    final ws = await WebSocket.connect('${context.debugConnection.uri}/ws');
-
-    final completer = Completer<Map<String, dynamic>>();
-    ddsWs.listen((event) {
-      completer.complete(json.decode(event as String));
-    });
-
-    const yieldControlToDDS = <String, dynamic>{
-      'jsonrpc': '2.0',
-      'id': '0',
-      'method': '_yieldControlToDDS',
-      'params': {'uri': 'http://localhost:123'},
-    };
-
-    // DDS should fail to start with existing vm clients.
-    ddsWs.add(json.encode(yieldControlToDDS));
-
-    final response = await completer.future;
-    expect(response['id'], '0');
-    expect(response.containsKey('error'), isTrue);
+    final client = await vmServiceConnectUri(
+      '${context.debugConnection.uri}/ws',
+    );
 
-    final result = response['error'] as Map<String, dynamic>;
-    expect(result['code'], RPCErrorKind.kFeatureDisabled.code);
-    expect(
-      result['message'],
-      'Existing VM service clients prevent DDS from taking control.',
+    final result = await fakeDds.callMethod(
+      '_yieldControlToDDS',
+      args: {'uri': 'http://localhost:123'},
     );
+    expect(result, isA<Success>());
 
-    await ddsWs.close();
-    await ws.close();
+    // The other VM service client should be closed automatically.
+    await client.onDone;
+    await fakeDds.dispose();
   });
 }