import { Logger } from '../logger.js';
import { BrowserType } from '../browser/types.js';
export interface TestConfig {
    testFile: string;
    browserType: BrowserType;
    options?: {
        headless?: boolean;
        timeout?: number;
        retries?: number;
    };
}
export interface TestResult {
    testFile: string;
    browserType: BrowserType;
    success: boolean;
    duration: number;
    error?: string;
    retryCount?: number;
}
export declare class ParallelTestRunner {
    private workers;
    private maxWorkers;
    private logger;
    private testQueue;
    private runningTests;
    private workerTests;
    private results;
    constructor(logger: Logger, maxWorkers?: number);
    runTests(tests: TestConfig[]): Promise<TestResult[]>;
    private startNextTest;
    private getAvailableWorker;
    private handleWorkerMessage;
    private handleWorkerError;
    private waitForCompletion;
    getMetrics(): {
        totalTests: number;
        completedTests: number;
        failedTests: number;
        averageDuration: number;
        activeWorkers: number;
    };
}