import type { InboxMessage } from "./helpers.js";
export interface BrokerDeliveryState {
    pendingInboxIds: Set<number>;
}
export declare function createBrokerDeliveryState(): BrokerDeliveryState;
export declare function resetBrokerDeliveryState(state: BrokerDeliveryState): void;
export declare function isBrokerInboxIdTracked(state: BrokerDeliveryState, inboxId: number): boolean;
export declare function queueBrokerInboxIds(state: BrokerDeliveryState, inboxIds: Iterable<number>): void;
export declare function markBrokerInboxIdsHandled(state: BrokerDeliveryState, inboxIds: Iterable<number>): void;
export declare function getBrokerInboxIds(messages: InboxMessage[]): number[];