import { ExecutorContext } from '@nx/devkit';
import { CypressExecutorOptions } from '../executors/cypress/cypress.impl';
export declare function startDevServer(opts: Omit<CypressExecutorOptions, 'cypressConfig'>, context: ExecutorContext): AsyncGenerator<{
    baseUrl: any;
    portLockFilePath?: undefined;
} | {
    baseUrl: any;
    portLockFilePath: string;
}, void, unknown>;