Get rid of all the library tags.

lib/src/parameters.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 json_rpc_2.parameters;
-
 import 'dart:convert';
 
 import 'exception.dart';
 
 /// A wrapper for the parameters to a server method.
 ///
 /// JSON-RPC 2.0 allows parameters that are either a list or a map. This class
 /// provides functions that not only assert that the parameters object is the
 /// correct type, but also that the expected arguments exist and are themselves
 /// the correct type.
@@ skipping 308 matching lines @@
   String asStringOr(String defaultValue) => defaultValue;
 
   List asListOr(List defaultValue) => defaultValue;
 
   Map asMapOr(Map defaultValue) => defaultValue;
 
   DateTime asDateTimeOr(DateTime defaultValue) => defaultValue;
 
   Uri asUriOr(Uri defaultValue) => defaultValue;
 }