export declare class HashSet<V, Hash = unknown> implements Iterable<V> {
    private hash;
    private map;
    get [Symbol.toStringTag](): string;
    get size(): number;
    [Symbol.iterator](): IterableIterator<V>;
    constructor(hash: (value: V) => Hash);
    add(value: V): this;
    delete(value: V): boolean;
    has(value: V): boolean;
    get(value: V): V | undefined;
    clear(): void;
    keys(): IterableIterator<V>;
    values(): IterableIterator<V>;
}