import { Schedule } from "@effect/core/io/Schedule/definition";
import { Duration } from "@tsplus/stdlib/data/Duration";
/**
 * Returns a new schedule that modifies the delay using the specified
 * function.
 * @tsplus fluent ets/Schedule modifyDelay
 * @tsplus fluent ets/Schedule/WithState modifyDelay
 * @tsplus location "@effect/core/io/Schedule/operations/modifyDelay"
 */
export declare function modifyDelay_<State, Env, In, Out>(self: Schedule<State, Env, In, Out>, f: (out: Out, duration: Duration) => Duration): Schedule<State, Env, In, Out>;
/**
 * Returns a new schedule that modifies the delay using the specified
 * function.
 * @tsplus static ets/Schedule/Aspects modifyDelay
 * @tsplus pipeable ets/Schedule modifyDelay
 * @tsplus location "@effect/core/io/Schedule/operations/modifyDelay"
 */
export declare const modifyDelay: <Out>(f: (out: Out, duration: Duration) => Duration) => <State, Env_1, In>(self: import("../definition").Schedule<State, Env_1, In, Out>) => import("../definition").Schedule<State, Env_1, In, Out>;
//# sourceMappingURL=modifyDelay.d.ts.map