import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
import { TMap } from "@effect/core/stm/TMap/definition";
import { STM } from "@effect/core/stm/STM/definition/base";
/**
 * Takes the first matching value, or retries until there is one.
 * @tsplus static effect/core/stm/TMap.Aspects takeFirst
 * @tsplus pipeable effect/core/stm/TMap takeFirst
 * @tsplus location "@effect/core/stm/TMap/operations/takeFirst"
 */
export declare function takeFirst<K, V, A>(pf: (kv: readonly [K, V]) => Maybe<A>): (self: TMap<K, V>) => STM<never, never, A>;
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