fix hints from analyzer in analyzer

pkg/analyzer/lib/dart/element/element.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.dart.element.element;
 
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/constant.dart' show DartObject;
 import 'package:analyzer/src/generated/engine.dart' show AnalysisContext;
@@ skipping 1174 matching lines @@
    */
   List<ParameterElement> get parameters;
 
   /**
    * Return the return type defined by this element. If the element model is
    * fully populated, then the [returnType] will not be `null`, even if no
    * return type was explicitly specified.
    */
   DartType get returnType;
 
-  @override
+  /**
+   * The type of this element, which will be a function type.
+   */
   FunctionType get type;
 }
 
 /**
  * A combinator that causes some of the names in a namespace to be hidden when
  * being imported.
  *
  * Clients may not extend, implement or mix-in this class.
  */
 abstract class HideElementCombinator implements NamespaceCombinator {
@@ skipping 836 matching lines @@
    */
   bool get isStatic;
 
   /**
    * Return the declared type of this variable, or `null` if the variable did
    * not have a declared type (such as if it was declared using the keyword
    * 'var').
    */
   DartType get type;
 }