export type QueueState = {
    currentMessageId: string | null;
    queuedMessages: Array<{
        messageId: string;
        position: number;
    }>;
    queueLength: number;
};
export declare function useQueueState(sessionId: string | undefined): QueueState;
export declare function useMessageQueuePosition(sessionId: string | undefined, messageId: string): {
    isQueued: boolean;
    isRunning: boolean;
    position: number | null;
};
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