copy
fun copy(done: Color = this.done, current: Color = this.current, stopped: Color = this.stopped, toDo: Color = this.toDo, onMarker: Color = this.onMarker, connector: Color = this.connector, reachedConnector: Color = this.reachedConnector, title: Color = this.title, subtitle: Color = this.subtitle): JengaTimelineColors(source)