import { TArray } from "@effect/core/stm/TArray/definition";
import { USTM } from "@effect/core/stm/STM/definition/base";
import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
/**
 * The first entry of the array, if it exists.
 * @tsplus getter effect/core/stm/TArray firstMaybe
 * @tsplus location "@effect/core/stm/TArray/operations/firstMaybe"
 */
export declare function firstMaybe<A>(self: TArray<A>): USTM<Maybe<A>>;
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