/**
 * @description
 * This strategy defines how data get cached.
 */
export interface DataCacheStrategy {
    /**
     * @description
     * Store the data in the cache. When caching a data, the data
     * should not be modified apart from performing any transforms needed to
     * get it into a state to be stored, e.g. JSON.stringify().
     */
    set<T>(key: string, value: T, ttl?: number): void | Promise<void>;
    /**
     * @description
     * Retrieve the data from the cache
     */
    get<T>(key: string): T | undefined;
    get<T>(key: string, getDefault?: () => Promise<T> | T): Promise<T>;
    get<T>(key: string, getDefault?: () => Promise<T> | T): Promise<T> | T | undefined;
    /**
     * @description
     * Delete a data from the cache
     */
    delete(key: string): void | Promise<void>;
    /**
     * @description
     * Clear the entire cache
     */
    clear(): void | Promise<void>;
}