import type { NullableCacheDataGeneratorAsync, CacheDataGeneratorAsync, CacheDirection } from './types';
import { CacheBranch } from './base/CacheBranch';
import { CacheDataAsync } from './CacheDataAsync';
export declare class CacheBranchAsync<T extends Record<string, any> = Record<string, any>> extends CacheBranch<T> {
    protected readonly data: CacheDataAsync<T, keyof T>;
    protected readonly branches: Map<string, CacheBranchAsync<T>>;
    protected readonly root: CacheBranchAsync<T>;
    constructor(generator?: NullableCacheDataGeneratorAsync<T, keyof T>, root?: CacheBranchAsync<T>);
    protected ensureBranch<K extends keyof T>(key: K, generator: NullableCacheDataGeneratorAsync<T, K>): CacheBranchAsync<T>;
    protected getBranch<K extends keyof T>(key: K): CacheBranchAsync<T> | undefined;
    cache(key: keyof T, recursive?: CacheDirection): Promise<this>;
    ensure<K extends keyof T>(key: K, generator: CacheDataGeneratorAsync<T, K>): Promise<CacheDataAsync<T, K>>;
    get<K extends keyof T>(key: K): CacheDataAsync<T, K> | undefined;
    set<K extends keyof T>(key: K, generator: CacheDataGeneratorAsync<T, K>): Promise<this>;
    delete(key: string): Promise<this>;
}