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