import { STM } from "@effect/core/stm/STM/definition/base";
import { Either } from "@tsplus/stdlib/data/Either/definition";
/**
 * Returns a successful effect if the value is `Left`, or fails with the error e.
 * @tsplus static effect/core/stm/STM.Aspects leftOrFail
 * @tsplus pipeable effect/core/stm/STM leftOrFail
 * @tsplus location "@effect/core/stm/STM/operations/leftOrFail"
 */
export declare function leftOrFail<C, E1>(orFail: (c: C) => E1): <R, E, B>(self: import("../definition").STM<R, E, import("@tsplus/stdlib/data/Either").Either<B, C>>) => import("../definition").STM<R, E1 | E, B>;
//# sourceMappingURL=leftOrFail.d.ts.map