/**
 * @ignore
 */
export declare class Registry<K, V> {
    protected _items: Map<K, V>;
    constructor();
    get(key: K): V | undefined;
    set(key: K, value: V): this;
    del(key: K): this;
    has(key: K): boolean;
    keys(): IterableIterator<K>;
    values(): IterableIterator<V>;
    entries(): IterableIterator<[K, V]>;
    get size(): number;
}
export default Registry;
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