import { STM } from "@effect/core/stm/STM/definition/base";
import { TArray } from "@effect/core/stm/TArray/definition";
/**
 * Atomically updates element in the array with given transactional effect.
 * @tsplus static effect/core/stm/TArray.Aspects updateSTM
 * @tsplus pipeable effect/core/stm/TArray updateSTM
 * @tsplus location "@effect/core/stm/TArray/operations/updateSTM"
 */
export declare function updateSTM<E, A>(index: number, f: (a: A) => STM<never, E, A>): (self: TArray<A>) => STM<never, E, void>;
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