// Copyright 2008 Cyrus Najmabadi
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// 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 or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

@protocol PBMessage;
@protocol PBMessage_Builder;
@protocol PBExtensionField;

@class PBAbstractMessage;
@class PBCodedInputStream;
@class PBCodedOutputStream;
@class PBConcreteExtensionField;
@class PBExtendableMessage_Builder;
@class PBExtendableMessage;
@class PBExtensionRegistry;
@class PBField;
@class PBGeneratedMessage;
@class PBGeneratedMessage_Builder;
@class PBMutableExtensionRegistry;
@class PBMutableField;
@class PBUnknownFieldSet;
@class PBUnknownFieldSet_Builder;