1. @DomName('PerformanceObserver.disconnect')
  2. @DocsEditable()
  3. @Experimental()
void disconnect()

Source

@DomName('PerformanceObserver.disconnect')
@DocsEditable()
@Experimental() // untriaged
void disconnect() =>
    _blink.BlinkPerformanceObserver.instance.disconnect_Callback_0_(this);