interface ChainInterFace {
    fn: any;
    nextChain: Chain | null;
    next: (param?: Function) => Chain;
    passRequest: (param?: any) => void;
}
declare class Chain implements ChainInterFace {
    fn: any;
    nextChain: Chain | null;
    constructor(fn: any);
    next(callback: any): ChainInterFace;
    passRequest(...params: any[]): void;
}
declare function createChain(callback: any): Chain;
export default createChain;