import { type IngestConfig } from '@cortex/core';
export interface WatcherOptions {
    dirs: string[];
    exclude: string[];
    fileTypes: string[];
    debounceMs: number;
    followSymlinks: boolean;
    maxFileSize: number;
    ignoreInitial?: boolean;
}
export type FileChangeHandler = (path: string, changeType: 'add' | 'change' | 'unlink') => void;
export declare class FileWatcher {
    private watcher;
    private options;
    private handler;
    private debounceTimers;
    constructor(options: WatcherOptions);
    static fromConfig(config: IngestConfig): FileWatcher;
    onFileChange(handler: FileChangeHandler): void;
    start(): void;
    stop(): Promise<void>;
    private handleEvent;
    private isExcluded;
    private buildIgnorePatterns;
}
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