export declare class ImmutableRegistry<T> implements Iterable<T> {
    #private;
    constructor(values?: Iterable<T>);
    /**
     * Returns a new PromiseRegistry instance with the added value.
     */
    with(value: T): ImmutableRegistry<T>;
    /**
     * Returns a new PromiseRegistry instance with the removed value.
     */
    without(value: T): ImmutableRegistry<T>;
    has(value: T): boolean;
    get size(): number;
    get hasAny(): boolean;
    [Symbol.iterator](): Iterator<T>;
}
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