int result = upgradeGoal.testExecuteWithTargetModel(context, "4.0.0");

            // The exact behavior depends on implementation, but it should handle gracefully
            // and not crash the entire upgrade process
            assertTrue(result >= 0, "Should handle .mvn creation failure gracefully");
        }
    }

    /**
     * Testable subclass that exposes protected methods for testing.
     */

//
// auto* reader = TFE_MonitoringNewCounterReader("name");
// test();
// int64_t value = TFE_MonitoringReadCounter1(reader, "label-value");

// Opaque handle to a reader.
typedef struct TFE_MonitoringCounterReader TFE_MonitoringCounterReader;

// Returns a handle to be used for reading values from streamz counter. The
// counter can have been created with any number of labels.
TF_CAPI_EXPORT extern TFE_MonitoringCounterReader*

{* ../../docs_src/response_model/tutorial003_02_py310.py hl[8,10:11] *}

This simple case is handled automatically by FastAPI because the return type annotation is the class (or a subclass of) `Response`.

     */
    @Test
    void testIsCredentialTypeCorrectWithNullData() {
        // The constructor check `if (!isCredentialTypeCorrect())` handles the null case.
        // We verify that the constructor throws an exception, which indirectly tests the desired logic.
        assertThrows(PACDecodingException.class, () -> new PacCredentialType(null));
    }

    /**

        return message instanceof Smb2QueryInfoRequest
            || message instanceof Smb2SetInfoRequest
            || message instanceof Smb2QueryDirectoryRequest;
    }
}
```

### 4.5 Channel Failover Handler
```java
package jcifs.internal.smb2.multichannel;

import java.util.concurrent.*;

public class ChannelFailover {
    private final ChannelManager manager;
    private final ExecutorService executor;

        context.warning("Test warning message");
        context.detail("Test detail message");
        context.action("Test action message");
    }

    @Test
    @DisplayName("should handle indentation correctly")
    void shouldHandleIndentationCorrectly() {
        UpgradeContext context = TestUtils.createMockContext(Paths.get("/test"));

        // Test indentation methods don't throw exceptions

            return 0;
        }

        @Override
        public URL getURL() {
            try {
                // Create URL with custom protocol handler for SMB
                return new URL(null, urlStr, new jcifs.smb.Handler());
            } catch (Exception e) {
                // Return null if URL creation fails
                return null;
            }
        }

        @Override

  }

  public static class StringSubscriber {

    @Subscribe
    public void handle(String s) {}
  }

  public static class IntegerSubscriber {

    @Subscribe
    public void handle(Integer i) {}
  }

  public static class ObjectSubscriber {

    @Subscribe
    public void handle(Object o) {}
  }

  public void testFlattenHierarchy() {
    assertEquals(

        }
    }

    @Nested
    @DisplayName("Message Encoding Tests")
    class MessageEncodingTests {

        @Test
        @DisplayName("encode should handle REQUEST ptype correctly")
        void testEncodeRequestPtype() throws NdrException {
            message.ptype = DcerpcConstants.RPC_PT_REQUEST; // 0
            message.call_id = 1;
            message.opnumValue = 5;

    @DisplayName("Constructor with null pipe name should handle gracefully")
    void testConstructorWithNullPipeName() {
        // Act
        transWaitNamedPipe = new TransWaitNamedPipe(mockConfig, null);

        // Assert
        assertNotNull(transWaitNamedPipe);
        assertNull(transWaitNamedPipe.name);
    }

    @Test
    @DisplayName("Constructor with empty pipe name should handle gracefully")