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// 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
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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package com.google.protobuf;
/**
* Base interface for methods common to {@link MessageLite}
* and {@link MessageLite.Builder} to provide type equivalency.
*
* @author jonp@google.com (Jon Perlow)
*/
public interface MessageLiteOrBuilder {
/**
* Get an instance of the type with no fields set. Because no fields are set,
* all getters for singular fields will return default values and repeated
* fields will appear empty.
* This may or may not be a singleton. This differs from the
* {@code getDefaultInstance()} method of generated message classes in that
* this method is an abstract method of the {@code MessageLite} interface
* whereas {@code getDefaultInstance()} is a static method of a specific
* class. They return the same thing.
*/
MessageLite getDefaultInstanceForType();
/**
* Returns true if all required fields in the message and all embedded
* messages are set, false otherwise.
*
* <p>See also: {@link MessageOrBuilder#getInitializationErrorString()}
*/
boolean isInitialized();
}