import * as smartrx from '@push.rocks/smartrx';
import type { IWatcher, IWatcherOptions, IWatchEvent } from './interfaces.js';
/**
 * Rust-based file watcher using the notify crate via @push.rocks/smartrust
 *
 * Uses a Rust binary for native OS-level file watching (inotify/FSEvents/ReadDirectoryChangesW).
 * Works across Node.js, Deno, and Bun via smartrust's IPC bridge.
 */
export declare class RustWatcher implements IWatcher {
    private options;
    private bridge;
    private _isWatching;
    readonly events$: smartrx.rxjs.Subject<IWatchEvent>;
    constructor(options: IWatcherOptions);
    get isWatching(): boolean;
    /**
     * Check if the Rust binary is available on this system
     */
    static isAvailable(): Promise<boolean>;
    start(): Promise<void>;
    stop(): Promise<void>;
    /** Safely emit an event, isolating subscriber errors */
    private safeEmit;
}