import { Api } from 'nightwatch';
interface IOptions {
    env?: string;
    configFile?: string;
    silent?: boolean;
}
export declare function deleteRunner(): void;
export declare function startWebDriver(options: IOptions): Promise<void>;
export declare function stopWebDriver(): Promise<void>;
export declare function createSession(options: IOptions): Promise<Api>;
export declare function closeSession(): Promise<void>;
export declare function runQueue(): Promise<void>;
export declare function getNewScreenshots(): string[];
export {};