import { FiberId } from "@effect/core/io/FiberId/definition";
import { FiberRefs } from "@effect/core/io/FiberRefs/definition";
import { Effect } from "@effect/core/io/Effect/definition";
/**
 * Updates the `FiberRef` values for the fiber running this effect using the
 * specified function.
 * @tsplus static ets/Effect/Ops updateFiberRefs
 * @tsplus location "@effect/core/io/Effect/operations/updateFiberRefs"
 */
export declare function updateFiberRefs(f: (fiberId: FiberId.Runtime, fiberRefs: FiberRefs) => FiberRefs, __tsplusTrace?: string): Effect<never, never, void>;
//# sourceMappingURL=updateFiberRefs.d.ts.map