/**
 * Utility to detect browser vs Node.js environment
 */
/**
 * Check if the code is running in a browser environment
 */
export declare function isBrowser(): boolean;
/**
 * Check if the code is running in a Node.js environment
 */
export declare function isNode(): boolean;
/**
 * Throws an error if being run in a browser environment
 * @param functionName Name of the function that requires Node.js
 */
export declare function requireNodeEnvironment(functionName: string): void;
/**
 * Throws an error if being run in a Node.js environment
 * @param functionName Name of the function that requires browser
 */
export declare function requireBrowserEnvironment(functionName: string): void;