import { MaybePromise } from '@mtcute/core';
import { IStateStorageProvider } from './provider.js';
export declare class StateService {
    readonly provider: IStateStorageProvider;
    constructor(provider: IStateStorageProvider);
    private _cache;
    private _vacuumTimer?;
    private _loaded;
    private _load;
    load(): Promise<void>;
    destroy(): Promise<void>;
    getState<T>(key: string): Promise<T | null>;
    setState<T>(key: string, state: T, ttl?: number): Promise<void>;
    deleteState(key: string): Promise<void>;
    getCurrentScene(key: string): Promise<string | null>;
    setCurrentScene(key: string, scene: string, ttl?: number): Promise<void>;
    deleteCurrentScene(key: string): Promise<void>;
    getRateLimit(key: string, limit: number, window: number): MaybePromise<[number, number]>;
    resetRateLimit(key: string): MaybePromise<void>;
}