import { Predicate } from "@tsplus/stdlib/data/Predicate";
import { TArray } from "@effect/core/stm/TArray/definition";
import { STM } from "@effect/core/stm/STM/definition/base";
/**
 * Determine if the array contains a value satisfying a predicate.
 * @tsplus static effect/core/stm/TArray.Aspects exists
 * @tsplus pipeable effect/core/stm/TArray exists
 * @tsplus location "@effect/core/stm/TArray/operations/exists"
 */
export declare function exists<A>(f: Predicate<A>): (self: TArray<A>) => STM<never, never, boolean>;
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