routing-controllers/types/driver/express/ExpressErrorMiddlewareInterface.d.ts

/**
 * Express error middlewares can implement this interface.
 */
export interface ExpressErrorMiddlewareInterface {
    /**
     * Called before response.send is being called. The data passed to method is the data passed to .send method.
     * Note that you must return same (or changed) data and it will be passed to .send method.
     */
    error(error: any, request: any, response: any, next: (err?: any) => any): void;
}