import { Context, Middleware } from "koa";
export declare type ConditionEvaluator = (ctx: Context) => Promise<any> | any;
export interface IfyElseyMiddleware extends Middleware {
    ify: (conditionEvaluator: ConditionEvaluator, middleware: Middleware) => IfyElseyMiddleware;
    elsey: (middleware: Middleware) => IfyElseyMiddleware;
    elseyIfy: (conditionEvaluator: ConditionEvaluator, middleware: Middleware) => IfyElseyMiddleware;
}