import { Schedule } from "@effect/core/io/Schedule/definition";
import { Effect } from "@effect/core/io/Effect/definition";
/**
 * Returns a new schedule that deals with a narrower class of inputs than this
 * schedule.
 * @tsplus fluent ets/Schedule contramapEffect
 * @tsplus fluent ets/Schedule/WithState contramapEffect
 * @tsplus location "@effect/core/io/Schedule/operations/contramapEffect"
 */
export declare function contramapEffect_<State, Env, In, Out, Env1, In2>(self: Schedule<State, Env, In, Out>, f: (in2: In2) => Effect<Env1, never, In>): Schedule<State, Env | Env1, In2, Out>;
/**
 * Returns a new schedule that deals with a narrower class of inputs than this
 * schedule.
 * @tsplus static ets/Schedule/Aspects contramapEffect
 * @tsplus pipeable ets/Schedule contramapEffect
 * @tsplus location "@effect/core/io/Schedule/operations/contramapEffect"
 */
export declare const contramapEffect: <In, Env1, In2>(f: (in2: In2) => import("../../Effect").Effect<Env1, never, In>) => <State, Env_1, Out>(self: import("../definition").Schedule<State, Env_1, In, Out>) => import("../definition").Schedule<State, Env_1 | Env1, In2, Out>;
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