function createWorkerimport { createWorker } from "https://deno.land/x/deno@v1.0.0/cli/js/ops/worker_host.ts"; createWorker(specifier: string,hasSourceCode: boolean,sourceCode: string,useDenoNamespace: boolean,name?: string,): { id: number; }Parametersspecifier: stringhasSourceCode: booleansourceCode: stringuseDenoNamespace: booleanoptionalname: stringReturns{ id: number; }