/**
 * An array of arguments + the next function
 */
export declare type MiddlewareArgs = any[];
/**
 * The middleware actual function
 */
export declare type MiddlewareFn = (...params: MiddlewareArgs) => Promise<void>;
/**
 * Executor job is to execute one middleware function at a
 * time and pass arguments to it
 */
export declare type Executor = (fn: any, params: MiddlewareArgs) => Promise<void>;
/**
 * Args received by the final handler
 */
export declare type FinalHandlerArgs = any[];
/**
 * Final handler is called when the entire chain executes
 * completely
 */
export declare type FinalHandler = (...params: FinalHandlerArgs) => Promise<void>;