import { TArray } from "@effect/core/stm/TArray/definition";
import { Equivalence } from "@tsplus/stdlib/prelude/Equivalence/definition";
import { USTM } from "@effect/core/stm/STM/definition/base";
/**
 * Determine if the array contains a specified value.
 * @tsplus fluent ets/TArray contains
 * @tsplus location "@effect/core/stm/TArray/operations/contains"
 */
export declare function contains_<A>(self: TArray<A>, equal: Equivalence<A>): (a: A) => import("../../STM").USTM<boolean>;
/**
 * Determine if the array contains a specified value.
 * @tsplus static ets/TArray/Aspects contains
 * @tsplus pipeable ets/TArray contains
 * @tsplus location "@effect/core/stm/TArray/operations/contains"
 */
export declare const contains: <A>(equal: import("@tsplus/stdlib/prelude/Equivalence").Equivalence<A>) => (self: import("../definition").TArray<A>) => (a: A) => import("../../STM").USTM<boolean>;
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