import { TMap } from "@effect/core/stm/TMap/definition";
import { STM } from "@effect/core/stm/STM/definition/base";
/**
 * Tests whether or not map contains a key.
 * @tsplus static effect/core/stm/TMap.Aspects contains
 * @tsplus pipeable effect/core/stm/TMap contains
 * @tsplus location "@effect/core/stm/TMap/operations/contains"
 */
export declare function contains<K>(k: K): <V>(self: import("../definition").TMap<K, V>) => STM<never, never, boolean>;
//# sourceMappingURL=contains.d.ts.map