private CommandGenerator generator;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        generator = new CommandGenerator();
    }

    // Basic setter tests
    public void test_setCommandTimeout() throws Exception {
        final long timeout = 5000L;
        generator.setCommandTimeout(timeout);
        assertTrue(true);
    }

Use `Response.challenges()` to get the schemes and realms of any authentication challenges. When fulfilling a `Basic` challenge, use `Credentials.basic(username, password)` to encode the request header.

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient.Builder()

- **Concurrent Utilities** (`org.codelibs.core.concurrent`) - Thread-safe collections and concurrency helpers using modern concurrent APIs
- **Crypto & Security** (`org.codelibs.core.crypto`, `org.codelibs.core.security`) - Basic cryptographic utilities, message digest operations, and secure random generation
- **XML Processing** (`org.codelibs.core.xml`) - XML DOM utilities, SAX parser helpers, and schema validation support