Remove unused declarations - skip summaries and completion.

pkg/analyzer/lib/src/generated/parser.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 engine.parser;
 
 import 'dart:collection';
 import "dart:math" as math;
 
 import 'ast.dart';
@@ skipping 6239 matching lines @@
    * Parse the generic method or function's type parameters.
    *
    * For backwards compatibility this can optionally use comments.
    * See [parseGenericMethodComments].
    */
   TypeParameterList _parseGenericMethodTypeParameters() {
     if (parseGenericMethods && _matches(TokenType.LT) ||
         _injectGenericCommentTypeList()) {
       return parseTypeParameterList();
     }
+    return null;
   }
 
   /**
    * Parse a getter. The [commentAndMetadata] is the documentation comment and
    * metadata to be associated with the declaration. The externalKeyword] is the
    * 'external' token. The staticKeyword] is the static keyword, or `null` if
    * the getter is not static. The [returnType] the return type that has already
    * been parsed, or `null` if there was no return type. Return the getter that
    * was parsed.
    *
@@ skipping 4905 matching lines @@
   }
 
   /**
    * Copy resolution data from the [fromNode] to the [toNode].
    */
   static void copyResolutionData(AstNode fromNode, AstNode toNode) {
     ResolutionCopier copier = new ResolutionCopier();
     copier._isEqualNodes(fromNode, toNode);
   }
 }