/**
 * Launch a URL or file in the default browser
 * Cross-platform compatible (Windows/macOS/Linux)
 * @param urlOrPath - HTTP URL or path to HTML file
 * @returns Promise that resolves when browser is launched
 */
export declare function launchBrowser(urlOrPath: string): Promise<void>;
/**
 * Check if we're running in a headless/CI environment
 * @returns True if running in headless environment
 */
export declare function isHeadlessEnvironment(): boolean;
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