num currentTime

Source 

@DomName('AnimationTimeline.currentTime')
@DocsEditable()
@Experimental() // untriaged
num get currentTime =>
    _blink.BlinkAnimationTimeline.instance.currentTime_Getter_(this);
void currentTime=(num value)

Source 

@DomName('AnimationTimeline.currentTime')
@DocsEditable()
@Experimental() // untriaged
set currentTime(num value) =>
    _blink.BlinkAnimationTimeline.instance.currentTime_Setter_(this, value);