import { Duration } from "@tsplus/stdlib/data/Duration";
import { Effect } from "@effect/core/io/Effect/definition";
/**
 * Semantically blocks the current fiber until the clock time is equal to or
 * greater than the specified duration. Once the clock time is adjusted to
 * on or after the duration, the fiber will automatically be resumed.
 * @tsplus static effect/core/testing/TestClock.Ops sleep
 * @tsplus location "@effect/core/testing/TestClock/operations/sleep"
 */
export declare function sleep(duration: Duration): Effect<never, never, void>;
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