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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
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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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 [email protected] (Jon Perlow)
*/
@CheckReturnValue
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.
*
* See also: {@link MessageOrBuilder#getInitializationErrorString()}
*/
boolean isInitialized();
}