import { Schedule } from "@effect/core/io/Schedule/definition";
import { Tuple } from "@tsplus/stdlib/data/Tuple/definition";
/**
 * The same as `andThenEither`, but merges the output.
 * @tsplus operator ets/Schedule /
 * @tsplus operator ets/Schedule/WithState /
 * @tsplus fluent ets/Schedule andThen
 * @tsplus fluent ets/Schedule/WithState andThen
 * @tsplus location "@effect/core/io/Schedule/operations/andThen"
 */
export declare function andThen_<State, Env, In, Out, State1, Env1, In1, Out2>(self: Schedule<State, Env, In, Out>, that: Schedule<State1, Env1, In1, Out2>): Schedule<Tuple<[State, State1, boolean]>, Env | Env1, In & In1, Out | Out2>;
/**
 * The same as `andThenEither`, but merges the output.
 * @tsplus static ets/Schedule/Aspects andThen
 * @tsplus pipeable ets/Schedule andThen
 * @tsplus location "@effect/core/io/Schedule/operations/andThen"
 */
export declare const andThen: <State1, Env1, In1, Out2>(that: import("../definition").Schedule<State1, Env1, In1, Out2>) => <State, Env_1, In, Out>(self: import("../definition").Schedule<State, Env_1, In, Out>) => import("../definition").Schedule<import("@tsplus/stdlib/data/Tuple").Tuple<[State, State1, boolean]>, Env_1 | Env1, In & In1, Out | Out2>;
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