import { Channel } from "@effect/core/stream/Channel/definition/base";
/**
 * @tsplus fluent ets/Channel contramapIn
 * @tsplus location "@effect/core/stream/Channel/operations/contramapIn"
 */
export declare function contramapIn_<Env, InErr, InElem0, InElem, InDone, OutErr, OutElem, OutDone>(self: Channel<Env, InErr, InElem, InDone, OutErr, OutElem, OutDone>, f: (a: InElem0) => InElem): Channel<Env, InErr, InElem0, InDone, OutErr, OutElem, OutDone>;
/**
 * @tsplus static ets/Channel/Aspects contramapIn
 * @tsplus pipeable ets/Channel contramapIn
 * @tsplus location "@effect/core/stream/Channel/operations/contramapIn"
 */
export declare const contramapIn: <InElem0, InElem>(f: (a: InElem0) => InElem) => <Env_1, InErr, InDone, OutErr, OutElem, OutDone>(self: import("../definition").Channel<Env_1, InErr, InElem, InDone, OutErr, OutElem, OutDone>) => import("../definition").Channel<Env_1, InErr, InElem0, InDone, OutErr, OutElem, OutDone>;
//# sourceMappingURL=contramapIn.d.ts.map