return ALPHA_OPTIONS.length-1;},set enableVisualization(enable){this.$.show_visualization.style.display=enable?'inline':'none';},loadVisualization_(){tr.b.dispatchSimpleEvent(this,'loadVisualization',true,true,{});},});return{};});'use strict';tr.exportTo('tr.v',function(){class HistogramSetHierarchy{constructor(name){this.name=name;this.description='';this.depth=0;this.subRows=[];this.columns=new Map();}*walk(){yield...