/**
 * Manages atomic sync operations in a queue to prevent concurrent execution
 * and ensure proper ordering of sync events.
 */
export declare class AtomicSyncQueue {
    #private;
    /**
     * Clears the queue and enqueues a new sync function.
     *
     * @param syncFunction - The sync function to enqueue.
     * @returns A Promise that resolves when the sync function completes.
     */
    clearAndEnqueue(syncFunction: () => Promise<void>): Promise<void>;
    /**
     * Enqueues an atomic sync function for processing.
     *
     * @param syncFunction - The sync function to enqueue.
     * @returns A Promise that resolves when the sync function completes.
     */
    enqueue(syncFunction: () => Promise<void>): Promise<void>;
    /**
     * Processes the atomic sync queue.
     */
    process(): Promise<void>;
    /**
     * Clears all pending sync events from the queue.
     * Useful when big sync starts to prevent stale updates.
     */
    clear(): void;
    /**
     * Gets the current queue size.
     *
     * @returns The number of pending sync events.
     */
    get size(): number;
    /**
     * Checks if queue processing is currently in progress.
     *
     * @returns True if processing is in progress.
     */
    get isProcessing(): boolean;
}
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