import type { CacheType } from '../types/index.js';
import type { CacheTagRegistry } from '../types/CacheTagRegistry.js';
export declare class InMemoryCacheTagRegistry implements CacheTagRegistry {
    private tagToKeys;
    private keyToTags;
    getCacheKeysForTags(tags: string[]): Promise<Partial<Record<CacheType, string[]>>>;
    removeTags(tags: string[]): Promise<void>;
    purgeCache(cacheType: CacheType): Promise<void>;
    removeCacheItem(cacheType: CacheType, key: string | string[]): Promise<void>;
    purgeEverything(): Promise<void>;
    addCacheTags(cacheItemKey: string, cacheType: CacheType, cacheTags: string[]): Promise<void>;
}