/**
 * Fail message with colors.
 *
 * @category Output
 */
export declare const FAIL: `\u001B[31m${string}\u001B[39m`;
/**
 * Test message to be shown next to the test path.
 *
 * @category Output
 */
export declare const TEST: `\u001B[33m${string}\u001B[39m`;
/**
 * Pass message with colors.
 *
 * @category Output
 */
export declare const PASS: `\u001B[32m${string}\u001B[39m`;
/**
 * Failed test title with colors.
 *
 * @category Output
 */
export declare const FAILED_TESTS: string;
/**
 * Exception difference kind.
 *
 * @category Internal
 */
export declare const EXCEPTION = 8;
/**
 * Unknown error.
 *
 * @category Internal
 */
export declare const UNKNOWN_ERROR = "Unknown Error";