import { Schedule } from "@effect/core/io/Schedule/definition";
import { Either } from "@tsplus/stdlib/data/Either/definition";
import { Effect } from "@effect/core/io/Effect/definition";
/**
 * Returns a new schedule that allows choosing between feeding inputs to this
 * schedule, or feeding inputs to the specified schedule.
 * @tsplus pipeable-operator effect/core/io/Schedule +
 * @tsplus static effect/core/io/Schedule.Aspects choose
 * @tsplus pipeable effect/core/io/Schedule choose
 * @tsplus location "@effect/core/io/Schedule/operations/choose"
 */
export declare function choose<State1, Env1, In2, Out2>(that: Schedule<State1, Env1, In2, Out2>): <State, Env_1, In, Out>(self: import("../definition").Schedule<State, Env_1, In, Out>) => import("../definition").Schedule<readonly [State, State1], Env1 | Env_1, import("@tsplus/stdlib/data/Either").Either<In, In2>, import("@tsplus/stdlib/data/Either").Either<Out, Out2>>;
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