import { Logger } from "@effect/core/io/Logger/definition";
/**
 * @tsplus static effect/core/io/Logger.Aspects contramap
 * @tsplus pipeable effect/core/io/Logger contramap
 * @tsplus location "@effect/core/io/Logger/operations/contramap"
 */
export declare function contramap<Message, Message1>(f: (message: Message1) => Message): <Output>(self: import("../definition").Logger<Message, Output>) => import("../definition").Logger<Message1, Output>;
//# sourceMappingURL=contramap.d.ts.map