import { Duration } from "@tsplus/stdlib/data/Duration";
import { Schedule } from "@effect/core/io/Schedule/definition";
/**
 * Returns a new schedule that modifies the delay using the specified
 * function.
 * @tsplus static effect/core/io/Schedule.Aspects modifyDelay
 * @tsplus pipeable effect/core/io/Schedule modifyDelay
 * @tsplus location "@effect/core/io/Schedule/operations/modifyDelay"
 */
export declare function 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>;
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