1. @DomName('DOMMatrixReadOnly.toFloat64Array')
  2. @DocsEditable()
  3. @Experimental()
Float64List toFloat64Array()

Source 

@DomName('DOMMatrixReadOnly.toFloat64Array')
@DocsEditable()
@Experimental() // untriaged
Float64List toFloat64Array() =>
    _blink.BlinkDOMMatrixReadOnly.instance.toFloat64Array_Callback_0_(this);