import { TQueue } from "@effect/core/stm/TQueue/definition";
import { USTM } from "@effect/core/stm/STM/definition/base";
/**
 * The current number of values in the queue.
 * @tsplus getter effect/core/stm/TQueue size
 * @tsplus location "@effect/core/stm/TQueue/operations/size"
 */
export declare function size<A>(self: TQueue<A>): USTM<number>;
//# sourceMappingURL=size.d.ts.map