import { STM } from "@effect/core/stm/STM/definition/base";
/**
 * Returns whether this effect is a failure.
 * @tsplus getter effect/core/stm/STM isFailure
 * @tsplus location "@effect/core/stm/STM/operations/isFailure"
 */
export declare function isFailure<R, E, A>(self: STM<R, E, A>): STM<R, never, boolean>;
//# sourceMappingURL=isFailure.d.ts.map