function defaultimport { default } from "https://deno.land/x/dnx@0.0.5/WeakSetConstructor/methods/from.ts"; default<T extends object>(source: Iterable<T> | ArrayLike<T>): WeakSet<T>default<T, U extends object>(source: Iterable<T> | ArrayLike<T>,mapFn: (v: T, k: number) => U,thisArg?: unknown,): WeakSet<U>Type ParametersT extends objectParameterssource: Iterable<T> | ArrayLike<T>ReturnsWeakSet<T>Type ParametersTU extends objectParameterssource: Iterable<T> | ArrayLike<T>mapFn: (v: T, k: number) => UoptionalthisArg: unknownReturnsWeakSet<U>