String id

Source 

@DomName('VTTRegion.id')
@DocsEditable()
@Experimental() // untriaged
String get id => _blink.BlinkVTTRegion.instance.id_Getter_(this);
void id=(String value)

Source 

@DomName('VTTRegion.id')
@DocsEditable()
@Experimental() // untriaged
set id(String value) =>
    _blink.BlinkVTTRegion.instance.id_Setter_(this, value);