import { THub } from "@effect/core/stm/THub/definition";
import { USTM } from "@effect/core/stm/STM/definition/base";
import { Maybe } from "@tsplus/stdlib/data/Maybe/definition";
/**
 * Views the next element in the queue without removing it, returning `None`
 * if the queue is empty.
 * @tsplus getter ets/THub/TDequeue peekMaybe
 * @tsplus location "@effect/core/stm/THub/operations/TDequeue/peekMaybe"
 */
export declare function peekMaybe<A>(self: THub.TDequeue<A>): USTM<Maybe<A>>;
//# sourceMappingURL=peekMaybe.d.ts.map