import { Fiber } from "@effect/core/io/Fiber/definition";
/**
 * Folds over the runtime or synthetic fiber.
 * @tsplus static effect/core/io/Fiber.Aspects fold
 * @tsplus static effect/core/io/RuntimeFiber.Aspects fold
 * @tsplus pipeable effect/core/io/Fiber fold
 * @tsplus pipeable effect/core/io/RuntimeFiber fold
 * @tsplus location "@effect/core/io/Fiber/operations/fold"
 */
export declare function fold<E, A, Z>(onRuntime: (_: Fiber.Runtime<E, A>) => Z, onSynthetic: (_: Fiber.Synthetic<E, A>) => Z): (self: Fiber<E, A>) => Z;
//# sourceMappingURL=fold.d.ts.map