function defaultimport { default } from "https://deno.land/x/dnx@0.0.5/WeakMap/methods/add.ts"; default<T extends readonly [K, V], K extends object, V>(this: WeakMap<K, V>, item: T)Type ParametersT extends readonly [K, V]K extends objectVParametersthis: WeakMap<K, V>item: T