|  | /* | 
|  | *  Copyright 2015 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #import "RTCSessionDescription.h" | 
|  |  | 
|  | #include "api/jsep.h" | 
|  |  | 
|  | NS_ASSUME_NONNULL_BEGIN | 
|  |  | 
|  | @interface RTCSessionDescription () | 
|  |  | 
|  | /** | 
|  | * The native SessionDescriptionInterface representation of this | 
|  | * RTCSessionDescription object. This is needed to pass to the underlying C++ | 
|  | * APIs. | 
|  | */ | 
|  | @property(nonatomic, readonly, nullable) webrtc::SessionDescriptionInterface *nativeDescription; | 
|  |  | 
|  | /** | 
|  | * Initialize an RTCSessionDescription from a native | 
|  | * SessionDescriptionInterface. No ownership is taken of the native session | 
|  | * description. | 
|  | */ | 
|  | - (instancetype)initWithNativeDescription: | 
|  | (const webrtc::SessionDescriptionInterface *)nativeDescription; | 
|  |  | 
|  | + (std::string)stdStringForType:(RTCSdpType)type; | 
|  |  | 
|  | + (RTCSdpType)typeForStdString:(const std::string &)string; | 
|  |  | 
|  | @end | 
|  |  | 
|  | NS_ASSUME_NONNULL_END |