import { PerformanceMark } from "https://deno.land/x/deno@v1.28.1/cli/dts/lib.dom.d.ts";
type
{ prototype: PerformanceMark; new (markName: string, markOptions?: PerformanceMarkOptions): PerformanceMark; }
import { PerformanceMark } from "https://deno.land/x/deno@v1.28.1/cli/dts/lib.dom.d.ts";