/**
 * Open an external URL without escaping the embedded webview.
 * Order: desktop bridge `openExternal` → Capacitor Browser → `window.open`
 * (noopener) → `location.assign`. Resolves true when the URL was handed off.
 */
export declare function openExternalUrl(url: string): Promise<boolean>;
/**
 * Publish `window.__burdenoffOpenExternal` so decoupled MFEs (microfe-auth…) can
 * drive native browser hand-offs through one stable entry point.
 */
export declare function installExternalUrlOpener(): void;
//# sourceMappingURL=browser.d.ts.map