import { TestFailure } from '../types';
/**
 * Interface for the last run information
 */
interface LastRunInfo {
    status: string;
    failedTests: string[];
}
/**
 * Interface for test failure history item
 */
interface TestFailureHistory extends TestFailure {
    timestamp?: string;
}
/**
 * Utility functions for working with test history
 */
export declare class HistoryUtils {
    /**
     * Retrieves information about the last test run
     * @param outputDir - Directory where test results are stored
     * @returns Information about the last test run, or null if not available
     */
    static getLastRunInfo(outputDir?: string): LastRunInfo | null;
    /**
     * Checks if a particular test was failing in the previous run
     * @param testId - ID of the test to check
     * @param outputDir - Directory where test results are stored
     * @returns True if the test was failing in the previous run, false otherwise
     */
    static wasTestFailingPreviously(testId: string, outputDir?: string): boolean;
    /**
     * Compares current test failures with previous run failures to identify new and fixed tests
     * @param currentFailures - List of currently failed test IDs
     * @param outputDir - Directory where test results are stored
     * @returns Object with lists of newly failing and fixed tests
     */
    static compareWithPreviousRun(currentFailures: string[], outputDir?: string): {
        newlyFailing: string[];
        fixed: string[];
    };
    /**
     * Gets the full test failure history
     * @param outputDir - Directory where test results are stored
     * @returns Array of test failures with timestamps
     */
    static getTestFailureHistory(outputDir?: string): TestFailureHistory[];
}
export {};