@@ -231,7 +231,7 @@ public function setLang($lang)
231231        $ obj  = new  $ lang ();
232232        if  (! ($ obj  instanceof  LanguageInterface)) {
233233            throw  new  InvalidArgumentException (
234-                 '$className must implement the  '  . LanguageInterface::class 
234+                 '$className must implement the \phpCAS\CAS\Languages\ LanguageInterface '  
235235            );
236236        }
237237        $ this  ->_lang  = $ lang ;
@@ -631,7 +631,7 @@ public function setExtraCurlOption($key, $value)
631631     * By default CurlRequest is used, but this may be overridden to 
632632     * supply alternate request mechanisms for testing. 
633633     */ 
634-     private  $ _requestImplementation  = CurlRequest::class ;
634+     private  $ _requestImplementation  = ' \phpCAS\CAS\Request\ CurlRequest'  ;
635635
636636    /** 
637637     * Override the default implementation used to make web requests in readUrl(). 
@@ -1975,7 +1975,7 @@ public function setCasServerCACert($cert, $validate_cn)
19751975        if  (gettype ($ validate_cn ) != 'boolean ' ) {
19761976            throw  new  TypeMismatchException ($ validate_cn , '$validate_cn ' , 'boolean ' );
19771977        }
1978-         if  (! file_exists ($ cert ) && $ this  ->_requestImplementation  !== DummyRequest::class ) {
1978+         if  (! file_exists ($ cert ) && $ this  ->_requestImplementation  !== ' \phpCAS\CAS\TestHarness\ DummyRequest'  ) {
19791979            throw  new  InvalidArgumentException ('Certificate file does not exist  ' .$ this  ->_requestImplementation );
19801980        }
19811981        $ this  ->_cas_server_ca_cert  = $ cert ;
@@ -2581,7 +2581,7 @@ public function setPGTStorage(AbstractStorage $storage)
25812581
25822582        // check to make sure a valid storage object was specified 
25832583        if  (! ($ storage  instanceof  AbstractStorage)) {
2584-             throw  new  TypeMismatchException ($ storage , '$storage ' , AbstractStorage::class. '  object ' );
2584+             throw  new  TypeMismatchException ($ storage , '$storage ' , ' \phpCAS\CAS\PGTStorage\AbstractStorage  object ' );
25852585        }
25862586
25872587        // store the PGTStorage object 
@@ -4005,7 +4005,7 @@ private function _rebroadcast($type)
40054005        if  (! empty ($ ip )) {
40064006            $ dns  = gethostbyaddr ($ ip );
40074007        }
4008-         $ multiClassName  = CurlMultiRequest::class ;
4008+         $ multiClassName  = ' \phpCAS\CAS\Request\ CurlMultiRequest'  ;
40094009        $ multiRequest  = new  $ multiClassName ();
40104010
40114011        for  ($ i  = 0 ; $ i  < sizeof ($ this  ->_rebroadcast_nodes ); $ i ++) {
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