import { DateTime } from "@arkecosystem/platform-sdk-intl";
declare type CacheStore = Record<string, {
    expires_at: DateTime;
    value: unknown;
}>;
/**
 * Defines the implementation contract for the cache service.
 *
 * @export
 * @interface ICache
 */
export interface ICache {
    /**
     * Get all entries from the storage.
     *
     * @return {CacheStore}
     * @memberof ICache
     */
    all(): CacheStore;
    /**
     * Get a list of all keys from the storage.
     *
     * @return {string[]}
     * @memberof ICache
     */
    keys(): string[];
    /**
     * Get the given key from the storage.
     *
     * @template T
     * @param {string} key
     * @return {T}
     * @memberof ICache
     */
    get<T>(key: string): T;
    /**
     * Set the given key in the storage.
     *
     * @param {string} key
     * @param {unknown} value
     * @param {number} ttl
     * @memberof ICache
     */
    set(key: string, value: unknown, ttl: number): void;
    /**
     * Check if the given key exists in the storage.
     *
     * @param {string} key
     * @return {boolean}
     * @memberof ICache
     */
    has(key: string): boolean;
    /**
     * Remove the given key from the storage.
     *
     * @param {string} key
     * @memberof ICache
     */
    forget(key: string): void;
    /**
     * Remove all keys from the storage.
     *
     * @memberof ICache
     */
    flush(): void;
}
export {};