'+total+' rows. This may be slow.';this.$.info.removeAllButtons();const buttonText='Hide '+couldHide+' rows.';this.$.info.addButton(buttonText,()=>this.displayLongTail=false);this.$.info.visible=true;},longTailHiddenInfoBar_(rowStats){const[total,visible,hidden]=rowStats;this.$.info.message='Hiding the smallest '+hidden+' rows.';this.$.info.removeAllButtons();this.$.info.addButton('Show all.',()=>this.displayLongTail=true);this.$.info.visible=true;},hideInfoBar_(){this.$.info.visible=false;},});return{};});'use...