text: #pragma once
  
  #include "echomesh/base/Echomesh.h"
  
  namespace echomesh {
  namespace audio {
  
  class RecordCallback {
    public:
      RecordCallback();
  
    private:
      DISALLOW_COPY_ASSIGN_AND_LEAKS(RecordCallback);
  };
  
  }  // namespace audio
  }  // namespace echomesh
  