import { STM } from "@effect/core/stm/STM/definition/base";
import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
import { TMap } from "@effect/core/stm/TMap/definition";
/**
 * @tsplus static effect/core/stm/TMap.Aspects takeFirstSTM
 * @tsplus pipeable effect/core/stm/TMap takeFirstSTM
 * @tsplus location "@effect/core/stm/TMap/operations/takeFirstSTM"
 */
export declare function takeFirstSTM<K, V, R, E, A>(pf: (kv: readonly [K, V]) => STM<R, Maybe<E>, A>): (self: TMap<K, V>) => STM<R, E, A>;
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