import { STM } from "@effect/core/stm/STM/definition/base";
import { LazyArg } from "@tsplus/stdlib/data/Function";
/**
 * Maps the success value of this effect to the specified constant value.
 * @tsplus fluent ets/STM as
 * @tsplus location "@effect/core/stm/STM/operations/as"
 */
export declare function as_<R, E, A, B>(self: STM<R, E, A>, b: LazyArg<B>): STM<R, E, B>;
/**
 * Maps the success value of this effect to the specified constant value.
 * @tsplus static ets/STM/Aspects as
 * @tsplus pipeable ets/STM as
 * @tsplus location "@effect/core/stm/STM/operations/as"
 */
export declare const as: <B>(b: import("@tsplus/stdlib/data/Function").LazyArg<B>) => <R, E, A>(self: import("../definition").STM<R, E, A>) => import("../definition").STM<R, E, B>;
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