Issue 13918. final fields induce setters that are illegal to call

editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/element/member/PropertyAccessorMember.java

 /*
  * Copyright (c) 2013, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  * 
  * http://www.eclipse.org/legal/epl-v10.html
  * 
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 89 matching lines @@
     }
     return variable;
   }
 
   @Override
   public boolean isAbstract() {
     return getBaseElement().isAbstract();
   }
 
   @Override
+  public boolean isExcludedSetter() {
+    return getBaseElement().isExcludedSetter();
+  }
+
+  @Override
   public boolean isGetter() {
     return getBaseElement().isGetter();
   }
 
   @Override
   public boolean isSetter() {
     return getBaseElement().isSetter();
   }
 
   @Override
@@ skipping 24 matching lines @@
       builder.append(type.getReturnType());
     }
     return builder.toString();
   }
 
   @Override
   protected InterfaceType getDefiningType() {
     return (InterfaceType) super.getDefiningType();
   }
 }