type Manifest = Record; export type BrowserTarget = 'chrome' | 'edge' | 'brave' | 'opera' | 'vivaldi' | 'yandex' | 'firefox' | 'waterfox' | 'librewolf' | 'chromium' | 'chromium-based' | 'gecko-based' | 'firefox-based' | 'safari' | 'webkit-based' | (string & {}); export declare function filterKeysForThisBrowser(manifest: Manifest, browser: BrowserTarget): Manifest; export {};