anchor.diff:  const String googleOAuth2ClientVersionConstraint = '>=0.2.15';
   
   class Generator {
  -  final RestDescription _json;
  +  final RestDescription _description;
     final String _prefix;
   
     String get _libraryPubspecName {
  
positive.code:   void _writeSchemas(StringSink sink) {
      sink.write("part of $_libraryName;\n\n");
  
      if (_json.schemas != null) {
        _json.schemas.forEach((String key, JsonSchema schema) {
          _writeSchemaClass(sink, key, schema);
        });
  
  
negative.code:     }
    }
  
    String get _rootUriOrigin => Uri.parse(_description.rootUrl).origin;
  
    void _writeClientClass(StringSink sink) {
      sink.write("""part of $_libraryName;
  