function isWeakMapimport { isWeakMap } from "https://dotland.deno.dev/x/scaffold@0.3.0/src/deps/npm.ts"; isWeakMap(payload: any): payload is WeakMap<any, any>Returns whether the payload is a WeakMap Returns whether the payload is a WeakMap Parameterspayload: anyReturnspayload is WeakMap<any, any>