import { IRegister } from './IRegister';
export declare class Register<Key, Value> implements IRegister<Key, Value> {
    private _storage;
    private _capacity;
    private readonly _delay;
    private readonly _startingCapacity;
    constructor();
    addItem(key: Key, item: Value): void;
    hasItem(key: Key): boolean;
    getItem(key: Key): Value;
    deleteItem(key: Key): Value;
    isEmpty(): boolean;
    private clearOutdated;
    private changeCapacity;
}