function isWeakMapimport { isWeakMap } from "https://dotland.deno.dev/x/lodash_es@v0.0.2/src/lang.js"; isWeakMap(value)Checks if value is classified as a WeakMap object. Examples_.isWeakMap(new WeakMap); // => true _.isWeakMap(new Map); // => false ParametersvalueThe value to check.