}
    }

    // Helper method to invoke protected method using reflection
    private ClassificationMeta invokeMethod(Object obj, String methodName, String param) {
        try {
            java.lang.reflect.Method method = obj.getClass().getDeclaredMethod(methodName, String.class);
            method.setAccessible(true);
            return (ClassificationMeta) method.invoke(obj, param);
        } catch (Exception e) {

        throws Throwable {
      String methodName = method.getName();
      Method typeVariableMethod = typeVariableMethods.get(methodName);
      if (typeVariableMethod == null) {
        throw new UnsupportedOperationException(methodName);
      } else {
        try {
          return typeVariableMethod.invoke(typeVariableImpl, args);

            }
        }
        return null;
    }

    private Method findMethod(Class<?> clazz, String methodName, Class<?>... paramTypes) {
        while (clazz != null) {
            try {
                return clazz.getDeclaredMethod(methodName, paramTypes);
            } catch (NoSuchMethodException e) {
                clazz = clazz.getSuperclass();
            }
        }

        throws Throwable {
      String methodName = method.getName();
      Method typeVariableMethod = typeVariableMethods.get(methodName);
      if (typeVariableMethod == null) {
        throw new UnsupportedOperationException(methodName);
      } else {
        try {
          return typeVariableMethod.invoke(typeVariableImpl, args);

 * These tests validate actual SMB protocol operations against dperson/samba:latest.
 */
@Testcontainers
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
@TestMethodOrder(MethodOrderer.MethodName.class)
class SmbFileIntegrationTest {

    private static final Logger log = LoggerFactory.getLogger(SmbFileIntegrationTest.class);

    private static final String IMAGE_NAME = "dperson/samba:latest";