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#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endregion
using System;
using Google.Protobuf.Reflection;
namespace Google.Protobuf
{
/// <summary>
/// Interface for a Protocol Buffers message, supporting
/// basic operations required for serialization.
/// </summary>
public interface IMessage
{
/// <summary>
/// Merges the data from the specified coded input stream with the current message.
/// </summary>
/// <remarks>See the user guide for precise merge semantics.</remarks>
/// <param name="input"></param>
void MergeFrom(CodedInputStream input);
/// <summary>
/// Writes the data to the given coded output stream.
/// </summary>
/// <param name="output">Coded output stream to write the data to. Must not be null.</param>
void WriteTo(CodedOutputStream output);
/// <summary>
/// Calculates the size of this message in Protocol Buffer wire format, in bytes.
/// </summary>
/// <returns>The number of bytes required to write this message
/// to a coded output stream.</returns>
int CalculateSize();
/// <summary>
/// Descriptor for this message. All instances are expected to return the same descriptor,
/// and for generated types this will be an explicitly-implemented member, returning the
/// same value as the static property declared on the type.
/// </summary>
MessageDescriptor Descriptor { get; }
}
/// <summary>
/// Generic interface for a Protocol Buffers message,
/// where the type parameter is expected to be the same type as
/// the implementation class.
/// </summary>
/// <typeparam name="T">The message type.</typeparam>
public interface IMessage<T> : IMessage, IEquatable<T>, IDeepCloneable<T> where T : IMessage<T>
{
/// <summary>
/// Merges the given message into this one.
/// </summary>
/// <remarks>See the user guide for precise merge semantics.</remarks>
/// <param name="message">The message to merge with this one. Must not be null.</param>
void MergeFrom(T message);
}
}
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