method ChartJs.Chart.getChartRe-exportimport { ChartJs } from "https://deno.land/x/fresh_charts@0.3.0/deps.ts"; const { Chart } = ChartJs; getChart(key: string | CanvasRenderingContext2D | HTMLCanvasElement): Chart | undefinedParameterskey: string | CanvasRenderingContext2D | HTMLCanvasElementReturnsChart | undefined