import { Schedule } from "@effect/core/io/Schedule/definition";
/**
 * Returns a new schedule that deals with a narrower class of inputs than this
 * schedule.
 * @tsplus fluent ets/Schedule contramap
 * @tsplus fluent ets/Schedule/WithState contramap
 * @tsplus location "@effect/core/io/Schedule/operations/contramap"
 */
export declare function contramap_<State, Env, In, Out, In2>(self: Schedule<State, Env, In, Out>, f: (in2: In2) => In): Schedule<State, Env, In2, Out>;
/**
 * Returns a new schedule that deals with a narrower class of inputs than this
 * schedule.
 * @tsplus static ets/Schedule/Aspects contramap
 * @tsplus pipeable ets/Schedule contramap
 * @tsplus location "@effect/core/io/Schedule/operations/contramap"
 */
export declare const contramap: <In, In2>(f: (in2: In2) => In) => <State, Env_1, Out>(self: import("../definition").Schedule<State, Env_1, In, Out>) => import("../definition").Schedule<State, Env_1, In2, Out>;
//# sourceMappingURL=contramap.d.ts.map