text: #ifndef __RTC_DATA_MANAGER_H__
  #define __RTC_DATA_MANAGER_H__
  
  #include <api/data_channel_interface.h>
  
  class RTCDataManager {
  public:
  	virtual ~RTCDataManager() = default;
  
  	virtual void OnDataChannel(rtc::scoped_refptr<webrtc::DataChannelInterface> data_channel) = 0;
  };
  
  #endif
  