import { Schedule } from "@effect/core/io/Schedule/definition";
/**
 * Returns a new schedule that performs a geometric union on the intervals
 * defined by both schedules.
 * @tsplus pipeable-operator effect/core/io/Schedule ||
 * @tsplus static effect/core/io/Schedule.Aspects union
 * @tsplus pipeable effect/core/io/Schedule union
 * @tsplus location "@effect/core/io/Schedule/operations/union"
 */
export declare function union<State1, Env1, In1, Out2>(that: Schedule<State1, Env1, In1, Out2>): <State, Env_1, In, Out>(self: import("../definition").Schedule<State, Env_1, In, Out>) => import("../definition").Schedule<readonly [State, State1], Env1 | Env_1, In & In1, readonly [Out, Out2]>;
//# sourceMappingURL=union.d.ts.map