import { ICache } from './ICache';
import { IChangeSet } from './IChangeSet';
import { ArrayOrIterable } from '../util/ArrayOrIterable';
export declare class Cache<TObject, TKey> implements ICache<TObject, TKey> {
    private readonly _data;
    private readonly _deepEqual;
    private readonly _mapAdapter;
    get size(): number;
    entries(): IterableIterator<[TKey, TObject]>;
    values(): IterableIterator<TObject>;
    keys(): IterableIterator<TKey>;
    static empty<TObject, TKey>(): Cache<TObject, TKey>;
    constructor(deepEqual: boolean);
    constructor(data?: Map<TKey, TObject>, deepEqual?: boolean);
    clone(): void;
    clone(changes: IChangeSet<TObject, TKey>): void;
    lookup(key: TKey): TObject | undefined;
    addOrUpdate(item: TObject, key: TKey): void;
    removeKeys(keys: ArrayOrIterable<TKey>): void;
    removeKey(key: TKey): void;
    clear(): void;
    refresh(): void;
    refreshKeys(keys: ArrayOrIterable<TKey>): void;
    refreshKey(key: TKey): void;
    readonly [Symbol.toStringTag]: "Cache";
    [Symbol.iterator](): IterableIterator<[TKey, TObject]>;
}