export function getBrowserContexts(): Map<any, any>;
export function getTargets(): Promise<any>;
export function isIncognito(arg: any): any;
export class BrowserContext {
    constructor(browser: any, instance: any);
    browser: any;
    instance: any;
    createBrowserContext(url: any, options: any): Promise<any>;
    closeBrowserContext(arg: any): Promise<void>;
    switchBrowserContext(callback: any, arg: any): Promise<void>;
}