1. @DomName('FileReader.readAsArrayBuffer')
  2. @DocsEditable()
void readAsArrayBuffer(Blob blob)

Source 

@DomName('FileReader.readAsArrayBuffer')
@DocsEditable()
void readAsArrayBuffer(Blob blob) =>
    _blink.BlinkFileReader.instance.readAsArrayBuffer_Callback_1_(this, blob);