import * as smartrx from '@push.rocks/smartrx';
import type { IWatcher, IWatcherOptions, IWatchEvent } from './interfaces.js';
/**
 * Deno file watcher using native Deno.watchFs API
 */
export declare class DenoWatcher implements IWatcher {
    private options;
    private watcher;
    private watchedFiles;
    private _isWatching;
    private abortController;
    private recentEvents;
    private throttleMs;
    private pendingWrites;
    readonly events$: smartrx.rxjs.Subject<IWatchEvent>;
    constructor(options: IWatcherOptions);
    get isWatching(): boolean;
    start(): Promise<void>;
    stop(): Promise<void>;
    /**
     * Process events from the Deno watcher
     */
    private processEvents;
    /**
     * Handle a Deno file system event
     */
    private handleDenoEvent;
    /**
     * Wait for file write to complete (polling-based)
     */
    private waitForWriteFinish;
    /**
     * Scan directory and emit 'add' events for existing files
     */
    private scanDirectory;
    /**
     * Safely stat a path, returning null if it doesn't exist
     */
    private statSafe;
    /**
     * Check if a path was known to be a directory
     */
    private isKnownDirectory;
    /**
     * Throttle duplicate events
     */
    private shouldEmit;
}