|  | // 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> | 
|  |  | 
|  | @class GPBExtensionRegistry; | 
|  |  | 
|  | NS_ASSUME_NONNULL_BEGIN | 
|  |  | 
|  | /** | 
|  | * Every generated proto file defines a local "Root" class that exposes a | 
|  | * GPBExtensionRegistry for all the extensions defined by that file and | 
|  | * the files it depends on. | 
|  | **/ | 
|  | @interface GPBRootObject : NSObject | 
|  |  | 
|  | /** | 
|  | * @return An extension registry for the given file and all the files it depends | 
|  | * on. | 
|  | **/ | 
|  | + (GPBExtensionRegistry *)extensionRegistry; | 
|  |  | 
|  | @end | 
|  |  | 
|  | NS_ASSUME_NONNULL_END |