1. @DomName('MediaRecorder.requestData')
  2. @DocsEditable()
  3. @Experimental()
void requestData()

Source 

@DomName('MediaRecorder.requestData')
@DocsEditable()
@Experimental() // untriaged
void requestData() =>
    _blink.BlinkMediaRecorder.instance.requestData_Callback_0_(this);