function Labels(tooltipContext) {
      _classCallCheck(this, Labels);
      this.w = tooltipContext.w;
      this.ctx = tooltipContext.ctx;
      this.ttCtx = tooltipContext;
      this.tooltipUtil = new Utils(tooltipContext);
    }
ApexCharts Tooltip.Labels Class to draw texts on the tooltip.
This file deals with printing actual text on the tooltip.

@module Tooltip.Labels