1. @DomName('SourceBuffer.appendBuffer')
  2. @DocsEditable()
  3. @Experimental()
void appendBuffer(ByteBuffer data)

Source 

@DomName('SourceBuffer.appendBuffer')
@DocsEditable()
@Experimental() // untriaged
void appendBuffer(ByteBuffer data) =>
    _blink.BlinkSourceBuffer.instance.appendBuffer_Callback_1_(this, data);