import com.google.common.collect.MutableClassToInstanceMap;
import com.google.common.collect.Ordering;
import com.google.common.reflect.Invokable;
import com.google.common.reflect.Parameter;
import com.google.common.reflect.Reflection;
import com.google.common.reflect.TypeToken;
import com.google.common.testing.NullPointerTester.Visibility;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.io.Serializable;

        Smb2CloseRequest request = new Smb2CloseRequest(mockConfig, emptyFileId);

        // When
        request.setFileId(testFileId);

        // Then - verify through internal state (would need getter or reflection in real scenario)
        // Since we can't directly verify the internal state, we create a new request to test
        Smb2CloseRequest newRequest = new Smb2CloseRequest(mockConfig, testFileId);

        // When
        smbComRename = new SmbComRename(config, oldFileName, newFileName);

        // Then
        assertEquals(ServerMessageBlock.SMB_COM_RENAME, smbComRename.getCommand());

        // Use reflection to verify private fields
        Field oldFileNameField = SmbComRename.class.getDeclaredField("oldFileName");
        oldFileNameField.setAccessible(true);
        assertEquals(oldFileName, oldFileNameField.get(smbComRename));

        // Restore system properties and clean up static state
        System.setProperties(originalSystemProperties);
        resetHandlerState();
    }

    /**
     * Resets the static state of the Handler class using reflection.
     * This is crucial for ensuring that tests are isolated from each other.
     */
    private void resetHandlerState() throws Exception {
        // Reset the static factory field

    *   New loss reduction types:
    *   `AUTO`: Indicates that the reduction option will be determined by the
        usage context. For almost all cases this defaults to
        `SUM_OVER_BATCH_SIZE`. When used with `tf.distribute.Strategy`, outside
        of built-in training loops such as `tf.keras` `compile` and `fit`, we
        expect reduction value to be `SUM` or `NONE`. Using `AUTO` in that case

        ChannelInfo healthyChannel = new ChannelInfo("test-channel", mockTransport, localInterface, remoteInterface);
        healthyChannel.setState(ChannelState.ESTABLISHED);

        // Use reflection or package-private method to add channel for testing
        // For now, just test the empty case
        assertEquals(0, channelManager.getHealthyChannels().size());
    }

    @Test

public class SmbResourceLocatorInternalTest {

    @Mock
    SmbResourceLocatorInternal locator;

    @Mock
    SmbResourceLocator other;

    @Mock
    DfsReferralData referral;

    // Reflection-based API checks ensure the interface contract is as expected
    @Test
    @DisplayName("Type hierarchy and method signatures are correct")
    void typeAndSignatures() throws Exception {

   * Returns {@link Method} instances for the remove tests that assume multisets support duplicates
   * so that the test of {@code Multisets.forSet()} can suppress them.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static List<Method> getRemoveDuplicateInitializingMethods() {
    return asList(getMethod(MultisetRemoveTester.class, "testRemove_some_occurrences_present"));
  }

   * Returns {@link Method} instances for the remove tests that assume multisets support duplicates
   * so that the test of {@code Multisets.forSet()} can suppress them.
   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static List<Method> getRemoveDuplicateInitializingMethods() {
    return asList(getMethod(MultisetRemoveTester.class, "testRemove_some_occurrences_present"));
  }

import java.util.concurrent.locks.LockSupport;
import org.jspecify.annotations.Nullable;

@GwtCompatible
@ReflectionSupport(value = ReflectionSupport.Level.FULL)
// Some Android 5.0.x Samsung devices have bugs in JDK reflection APIs that cause
// getDeclaredField to throw a NoSuchFieldException when the field is definitely there.
// Since this class only needs CAS on one field, we can avoid this bug by extending AtomicReference