export declare abstract class CacheBaseService<T> {
    expirationTime: number;
    abstract getFromDatabase(dataId?: string): Promise<T>;
    abstract set cacheKey(key: string);
    getData(dataId?: string): Promise<T | undefined>;
    setToCache(data: T, dataId?: string): Promise<void>;
    private getFromCache;
    private getCacheKey;
}