import { TPriorityQueue } from "@effect/core/stm/TPriorityQueue/definition";
import { USTM } from "@effect/core/stm/STM/definition/base";
/**
 * Checks whether the queue is not empty.
 * @tsplus getter effect/core/stm/TPriorityQueue isNonEmpty
 * @tsplus location "@effect/core/stm/TPriorityQueue/operations/isNonEmpty"
 */
export declare function isNonEmpty<A>(self: TPriorityQueue<A>): USTM<boolean>;
//# sourceMappingURL=isNonEmpty.d.ts.map