/**
 * Environment detection utilities
 * Common functions to detect runtime environment (Node.js vs Browser)
 */
/**
 * Check if running in Node.js environment
 * Returns true if process.versions.node exists
 */
export declare function isNode(): boolean;
/**
 * Check if running in browser environment
 * Returns true if window and document are defined
 */
export declare function isBrowser(): boolean;
