this.heading_.heading;},set tooltip(tooltip){this.heading_.tooltip=tooltip;},set selectionGenerator(generator){this.heading_.selectionGenerator=generator;},set expanded(expanded){this.heading_.expanded=!!expanded;},set arrowVisible(arrowVisible){this.heading_.arrowVisible=!!arrowVisible;},get expanded(){return this.heading_.expanded;},get asyncStyle(){return this.asyncStyle_;},set asyncStyle(v){this.asyncStyle_=!!v;},get rects(){return this.rects_;},set rects(rects){this.rects_=rects||[];this.inval...