import { TPriorityQueue } from "@effect/core/stm/TPriorityQueue/definition";
import { USTM } from "@effect/core/stm/STM/definition/base";
/**
 * Checks whether the queue is empty.
 * @tsplus getter effect/core/stm/TPriorityQueue isEmpty
 * @tsplus location "@effect/core/stm/TPriorityQueue/operations/isEmpty"
 */
export declare function isEmpty<A>(self: TPriorityQueue<A>): USTM<boolean>;
//# sourceMappingURL=isEmpty.d.ts.map