declare class LazyMapSet<K, V> {
    private map;
    clear(): void;
    delete(key: K, value?: V): boolean;
    find(key: K, iterator: (value: V) => boolean): V | undefined;
    get(key: K): Set<V> | V | undefined;
    has(key: K, value?: V): boolean;
    set(key: K, value: V): this;
}
export default LazyMapSet;