import { Logger } from 'winston';
import { CelosiaRequest, CelosiaResponse, EmptyObject, NextFunction } from '.';
declare abstract class Middleware<Request extends CelosiaRequest<any, any, any, any> = CelosiaRequest<any, any, any, any>, Response extends CelosiaResponse<any> = CelosiaResponse<any>, Input extends Record<string, any> = EmptyObject, Output extends Record<string, any> | EmptyObject = EmptyObject> {
    protected loggingSource: string;
    protected logger: Logger;
    constructor(loggingSource: string);
    abstract index(data: Input, request: Request, response: Response, next: NextFunction<Output | undefined>): any | Promise<any>;
}
export default Middleware;