import { Channel } from "@effect/core/stream/Channel/definition/base";
/**
 * Returns a new channel, which is the same as this one, except the failure
 * value of the returned channel is created by applying the specified function
 * to the failure value of this channel.
 * @tsplus static effect/core/stream/Channel.Aspects mapError
 * @tsplus pipeable effect/core/stream/Channel mapError
 * @tsplus location "@effect/core/stream/Channel/operations/mapError"
 */
export declare function mapError<OutErr, OutErr2>(f: (err: OutErr) => OutErr2): <Env_1, InErr, InElem, InDone, OutElem, OutDone>(self: import("../definition").Channel<Env_1, InErr, InElem, InDone, OutErr, OutElem, OutDone>) => import("../definition").Channel<Env_1, InErr, InElem, InDone, OutErr2, OutElem, OutDone>;
//# sourceMappingURL=mapError.d.ts.map