export interface TestOptions {
    /**
     * The VS Code executable being used for testing.
     *
     * If not passed, will use options.version for downloading a copy of
     * VS Code for testing. If `version` is not specified either, will
     * download and use latest stable release.
     */
    vscodeExecutablePath?: string;
    /**
     * The VS Code version to download. Valid versions are:
     * - `'insiders'`
     * - `'1.32.0'`, `'1.31.1'`, etc
     *
     * Default to latest stable version.
     */
    version?: string;
    /**
     * Absolute path to the extension root. Passed to `--extensionDevelopmentPath`.
     * Must include a `package.json` Extension Manifest.
     */
    extensionPath: string;
    /**
     * Absolute path to the test runner. Passed to `--extensionTestsPath`.
     * Can be either a file path or a directory path that contains an `index.js`.
     * Must export a `run` function of the following signature:
     *
     * ```ts
     * function run(testsRoot: string, cb: (error: any, failures?: number) => void): void;
     * ```
     *
     * When running integration test, the Extension Development Host will call this function
     * that runs the test suite. The `cb` function should be called when the test suite finishes.
     *
     */
    testRunnerPath: string;
    /**
     * Environment variables being passed to the test runner.
     */
    testRunnerEnv?: {
        [key: string]: string | undefined;
    };
    /**
     * Absolute path of the fixture workspace to launch for testing.
     * Passed as the first argument to `code` executable and can be:
     *
     * - File path: Open file on test start
     * - Folder path: Open folder on test start
     * - Workspace file path: Open workspace on test start
     */
    testWorkspace?: string;
    /**
     * A list of arguments appended to the default VS Code launch arguments below:
     *
     * ```ts
     * [
     *   options.testWorkspace,
     *   '--extensionDevelopmentPath=' + options.extPath,
     *   '--extensionTestsPath=' + options.testPath,
     *   '--locale=' + (options.locale || 'en')
     * ];
     * ```
     *
     * See `code --help` for possible arguments.
     */
    additionalLaunchArgs?: string[];
    /**
     * The locale to use (e.g. `en-US` or `zh-TW`).
     * If not specified, it defaults to `en`.
     */
    locale?: string;
}
export interface ExplicitTestOptions {
    /**
     * The VS Code executable being used for testing.
     *
     * If not passed, will use options.version for downloading a copy of
     * VS Code for testing. If `version` is not specified either, will
     * download and use latest stable release.
     */
    vscodeExecutablePath?: string;
    /**
     * The VS Code version to download. Valid versions are:
     * - `'insiders'`
     * - `'1.32.0'`, `'1.31.1'`, etc
     *
     * Default to latest stable version.
     */
    version?: string;
    /**
     * A list of arguments used for launching VS Code executable.
     *
     * You need to provide `--extensionDevelopmentPath` and `--extensionTestsPath` manually when
     * using this option. If you want to open a specific workspace for testing, you need to pass
     * the absolute path of the workspace as first item in this list.
     *
     * See `code --help` for possible arguments.
     */
    launchArgs: string[];
    /**
     * Environment variables being passed to the test runner.
     */
    testRunnerEnv?: {
        [key: string]: string | undefined;
    };
}
export declare function runTests(options: TestOptions | ExplicitTestOptions): Promise<number>;