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