/**
 * File watcher for watch command
 *
 * Uses chokidar to monitor Claude Code project directories for JSONL changes.
 */
import type { FSWatcher } from "chokidar";
/**
 * Event types emitted by the watcher
 */
export type WatcherEvents = {
    type: "add" | "change";
    filePath: string;
};
/**
 * Create a file watcher for JSONL files
 *
 * @param args - Configuration arguments
 * @param args.watchDir - Directory to watch
 * @param args.onEvent - Callback for file events
 *
 * @returns The watcher instance
 */
export declare const createWatcher: (args: {
    watchDir: string;
    onEvent: (event: WatcherEvents) => void;
}) => FSWatcher;
/**
 * Wait for the watcher to be ready
 */
export declare const waitForWatcherReady: () => Promise<void>;
/**
 * Stop the file watcher
 */
export declare const stopWatcher: () => void;
/**
 * Check if a watcher is active
 *
 * @returns True if a watcher is running, false otherwise
 */
export declare const isWatcherActive: () => boolean;
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