/**
 * ESM wrapper for fb-watchman CommonJS module.
 * Uses dynamic import to load the CommonJS module lazily,
 * allowing Bun bytecode compilation to proceed.
 */
export interface WatchmanCapabilities {
    optional: string[];
    required?: string[];
}
export interface WatchmanExpression {
    expression: any[];
    fields: string[];
}
export interface WatchmanSubscribeOptions extends WatchmanExpression {
    since?: string;
    relative_root?: string;
    defer?: string[];
    drop?: string[];
}
export type WatchmanCallback = (error: Error | null, resp?: any) => void;
declare class WatchmanClientWrapper {
    private clientModule;
    private client;
    private loadAttempted;
    /**
     * Lazily loads the fb-watchman module and creates a client.
     * Falls back gracefully if the module is not available.
     */
    private loadWatchman;
    /**
     * Capability check - mirrors fb-watchman API
     */
    capabilityCheck(capabilities: WatchmanCapabilities, callback: WatchmanCallback): Promise<void>;
    /**
     * Execute a watchman command
     */
    command(cmd: any[], callback: WatchmanCallback): Promise<void>;
    /**
     * Subscribe to file changes
     */
    subscribe(root: string, name: string, options: WatchmanSubscribeOptions, callback: WatchmanCallback): Promise<void>;
    /**
     * Unsubscribe from file changes
     */
    unsubscribe(root: string, name: string, callback: WatchmanCallback): Promise<void>;
    /**
     * End the client connection
     */
    end(): Promise<void>;
    /**
     * Add event listener to the client
     * Note: This needs to work synchronously for compatibility
     */
    on(event: string, handler: (...args: any[]) => void): void;
    /**
     * Remove event listener from the client
     */
    removeListener(event: string, handler: (...args: any[]) => void): void;
    /**
     * Check if watchman is available
     */
    isAvailable(): Promise<boolean>;
}
/**
 * Factory function to create a new WatchmanClient instance.
 * Mirrors the fb-watchman API.
 */
export declare function createWatchmanClient(): WatchmanClientWrapper;
export { WatchmanClientWrapper };
declare const _default: {
    createWatchmanClient: typeof createWatchmanClient;
    WatchmanClientWrapper: typeof WatchmanClientWrapper;
};
export default _default;
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