import { TSet } from "@effect/core/stm/TSet/definition";
import { STM } from "@effect/core/stm/STM/definition/base";
/**
 * Tests whether or not set contains an element.
 * @tsplus static effect/core/stm/TSet.Aspects contains
 * @tsplus pipeable effect/core/stm/TSet contains
 * @tsplus location "@effect/core/stm/TSet/operations/contains"
 */
export declare function contains<A>(value: A): (self: TSet<A>) => STM<never, never, boolean>;
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