import { Effect } from "@effect/core/io/Effect/definition";
import { Predicate } from "@tsplus/stdlib/data/Predicate";
/**
 * Repeats this effect while its value satisfies the specified effectful
 * predicate or until the first failure.
 * @tsplus fluent ets/Effect repeatWhile
 * @tsplus location "@effect/core/io/Effect/operations/repeatWhile"
 */
export declare function repeatWhile_<R, E, A>(self: Effect<R, E, A>, f: Predicate<A>, __tsplusTrace?: string): Effect<R, E, A>;
/**
 * Repeats this effect while its value satisfies the specified effectful
 * predicate or until the first failure.
 * @tsplus static ets/Effect/Aspects repeatWhile
 * @tsplus pipeable ets/Effect repeatWhile
 * @tsplus location "@effect/core/io/Effect/operations/repeatWhile"
 */
export declare const repeatWhile: <A>(f: import("@tsplus/stdlib/data/Predicate").Predicate<A>, __tsplusTrace?: string) => <R, E>(self: import("../definition").Effect<R, E, A>) => import("../definition").Effect<R, E, A>;
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