String direction

Source 

@DomName('AnimationEffectTiming.direction')
@DocsEditable()
@Experimental() // untriaged
String get direction =>
    _blink.BlinkAnimationEffectTiming.instance.direction_Getter_(this);
void direction=(String value)

Source 

@DomName('AnimationEffectTiming.direction')
@DocsEditable()
@Experimental() // untriaged
set direction(String value) =>
    _blink.BlinkAnimationEffectTiming.instance.direction_Setter_(this, value);