weakref/script/iterable_weak_map.d.ts

IterableWeakSet, IterableWeakMap, and WeakValueMap provide iterable weak collections whose entries disappear automatically when their objects are garbage collected—perfect for caches and registries in any JavaScript runtime.

export declare class IterableWeakMap<K extends object, V> implements WeakMap<K, V>, Map<K, V> {
    #private;
    constructor(entries?: readonly (readonly [K, V])[] | null);
    constructor(iterable: Iterable<readonly [K, V]>);
    get size(): number;
    clear(): void;
    delete(key: K): boolean;
    get(key: K): V | undefined;
    has(key: K): boolean;
    set(key: K, value: V): this;
    get [Symbol.toStringTag](): string;
    forEach(callbackfn: (value: V, key: K, map: Map<K, V>) => void, thisArg?: unknown): void;
    [Symbol.iterator](): MapIterator<[K, V]>;
    entries(): MapIterator<[K, V]>;
    keys(): MapIterator<K>;
    values(): MapIterator<V>;
}
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