| // Protocol Buffers - Google's data interchange format | 
 | // Copyright 2008 Google Inc.  All rights reserved. | 
 | // | 
 | // Use of this source code is governed by a BSD-style | 
 | // license that can be found in the LICENSE file or at | 
 | // https://developers.google.com/open-source/licenses/bsd | 
 |  | 
 | #import <Foundation/Foundation.h> | 
 |  | 
 | #import "GPBUnknownFieldSet.h" | 
 |  | 
 | @class GPBCodedOutputStream; | 
 | @class GPBCodedInputStream; | 
 |  | 
 | @interface GPBUnknownFieldSet () | 
 |  | 
 | + (BOOL)isFieldTag:(int32_t)tag; | 
 |  | 
 | - (NSData *)data; | 
 |  | 
 | - (size_t)serializedSize; | 
 | - (size_t)serializedSizeAsMessageSet; | 
 |  | 
 | - (void)writeToCodedOutputStream:(GPBCodedOutputStream *)output; | 
 | - (void)writeAsMessageSetTo:(GPBCodedOutputStream *)output; | 
 |  | 
 | - (void)mergeUnknownFields:(GPBUnknownFieldSet *)other; | 
 |  | 
 | - (void)mergeFromCodedInputStream:(GPBCodedInputStream *)input; | 
 |  | 
 | - (void)mergeVarintField:(int32_t)number value:(int32_t)value; | 
 | - (BOOL)mergeFieldFrom:(int32_t)tag input:(GPBCodedInputStream *)input; | 
 | - (void)mergeMessageSetMessage:(int32_t)number data:(NSData *)messageData; | 
 |  | 
 | - (void)addUnknownMapEntry:(int32_t)fieldNum value:(NSData *)data; | 
 |  | 
 | @end |