/**
 * SSR (Server-Side Rendering) environment detection utilities
 */
/**
 * Check if running in SSR (Node.js) environment
 * Returns true if window is not defined (typical Node.js environment)
 */
export declare function isSSR(): boolean;
/**
 * Check if document is available (browser environment)
 */
export declare function hasDocument(): boolean;
/**
 * Check if navigator is available (browser environment)
 */
export declare function hasNavigator(): boolean;