import { Channel } from "@effect/core/stream/Channel/definition/base";
/**
 * @tsplus static effect/core/stream/Channel.Aspects contramap
 * @tsplus pipeable effect/core/stream/Channel.Aspects contramap
 * @tsplus location "@effect/core/stream/Channel/operations/contramap"
 */
export declare function contramap<InDone0, InDone>(f: (a: InDone0) => InDone): <Env_1, InErr, InElem, OutErr, OutElem, OutDone>(self: import("../definition").Channel<Env_1, InErr, InElem, InDone, OutErr, OutElem, OutDone>) => import("../definition").Channel<Env_1, InErr, InElem, InDone0, OutErr, OutElem, OutDone>;
//# sourceMappingURL=contramap.d.ts.map