import { Effect } from "@effect/core/io/Effect/definition";
import { Cause } from "@effect/core/io/Cause/definition";
/**
 * Returns an effect that succeeds with the cause of failure of this effect,
 * or `Cause.empty` if the effect did succeed.
 * @tsplus fluent ets/Effect cause
 * @tsplus location "@effect/core/io/Effect/operations/cause"
 */
export declare function cause<R, E, A>(self: Effect<R, E, A>, __tsplusTrace?: string): Effect<R, never, Cause<E>>;
//# sourceMappingURL=cause.d.ts.map