export interface InstallOptions {
    browser: string;
}
export interface UninstallOptions {
    browser?: string;
    all?: boolean;
}
export declare function getManagedBrowsersCacheRoot(): string;
export declare function getManagedBrowserInstallDir(browser: string): string;
export declare function extensionInstall({ browser }: InstallOptions): Promise<void>;
export declare function extensionUninstall({ browser, all }: UninstallOptions): Promise<void>;