/**
 * Watch Integration with Semantic Indexing
 *
 * Automatically reindex files when they change.
 * Keeps semantic search up-to-date without manual intervention.
 */
export interface IndexingWatchOptions {
    debounceMs?: number;
    fileExtensions?: string[];
    excludePatterns?: RegExp[];
    batchSize?: number;
    batchDelayMs?: number;
}
export interface ReindexCallback {
    (filePaths: string[]): Promise<void>;
}
export declare class IndexingWatcher {
    private pendingReindexes;
    private batchTimer?;
    private reindexCallback?;
    /**
     * Start watching directory for changes and auto-reindex
     */
    startWatching(directoryPath: string, reindexCallback: ReindexCallback, options?: IndexingWatchOptions): Promise<string>;
    /**
     * Stop watching
     */
    stopWatching(watchId: string): Promise<void>;
    /**
     * Handle file change event
     */
    private handleFileChange;
    /**
     * Schedule batch processing
     */
    private scheduleBatchProcessing;
    /**
     * Process batch of pending reindexes
     */
    private processBatch;
    /**
     * Get count of pending reindexes
     */
    getPendingCount(): number;
    /**
     * Force process pending reindexes immediately
     */
    flush(): Promise<void>;
}
export declare const indexingWatcher: IndexingWatcher;
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