import type { NullableCacheDataGeneratorSync } from './types';
import { CacheData } from './base/CacheData';
import { CacheBranchSync } from './CacheBranchSync';
export declare class CacheDataSync<T extends Record<string, any>, K extends keyof T> extends CacheData<T, K> {
    static readonly EmptyDataGenerator: () => undefined;
    static Update<T extends Record<string, any>, K extends keyof T>(branch: CacheBranchSync<T>, data: CacheDataSync<T, K>, generator: NullableCacheDataGeneratorSync<T, K>): CacheDataSync<T, K>;
    static Cache<T extends Record<string, any>, K extends keyof T>(branch: CacheBranchSync<T>, data: CacheDataSync<T, K>): CacheDataSync<T, K>;
    protected generator: NullableCacheDataGeneratorSync<T, keyof T>;
}