| // 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 |