import { Cache } from 'cache-manager';
import { ResilienceModuleOptions } from './interfaces';
export declare class ResilienceStatesManager {
    readonly options?: ResilienceModuleOptions;
    private static readonly PREFIX;
    private static instance;
    static getInstance(): ResilienceStatesManager;
    readonly cache: Cache;
    constructor(options?: ResilienceModuleOptions);
    del(key: string): Promise<boolean>;
    get<T>(key: string): Promise<T>;
    reset(): Promise<boolean>;
    set<T>(key: string, value: T, ttl?: number): Promise<T>;
    wrap<T>(key: string, fn: () => Promise<T>, ttl?: number | ((value: T) => number)): Promise<T>;
}