routing-controllers/types/InterceptorInterface.d.ts

import { Action } from './Action';
/**
 * Classes that intercepts response result must implement this interface.
 */
export interface InterceptorInterface {
    /**
     * Called before success response is being sent to the request.
     * Returned result will be sent to the user.
     */
    intercept(action: Action, result: any): any | Promise<any>;
}