Set<String> presentAsSet = Optional.of("a").asSet();
    assertThrows(UnsupportedOperationException.class, () -> presentAsSet.add("b"));
  }

  public void testAsSet_absentIsImmutable() {
    Set<Object> absentAsSet = Optional.absent().asSet();
    assertThrows(UnsupportedOperationException.class, () -> absentAsSet.add("foo"));
  }

  public void testTransform_absent() {

// TODO(b/65488446): Make this a public API.
/** Utility method to parse the system class path. */
@NullUnmarked
@GwtIncompatible
@J2ktIncompatible
final class ClassPathUtil {
  private ClassPathUtil() {}

  /**
   * Returns the URLs in the class path specified by the {@code java.class.path} {@linkplain
   * System#getProperty system property}.
   */
  // TODO(b/65488446): Make this a public API.

        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final ConstructorDesc ctor = beanDesc.getConstructorDesc(String.class);
        assertThat(ctor, is(notNullValue()));
        assertThat(ctor.getBeanDesc(), is(sameInstance(beanDesc)));
        assertThat(ctor.getConstructor(), is((Constructor) MyBean.class.getConstructor(String.class)));
        assertThat(ctor.getParameterTypes().length, is(1));

                SmbConstants.DEFAULT_SHARING);

        // Close the stream
        outputStream.close();

        // When & Then - after close, tmp is null so write(int) will throw NullPointerException
        // This is the actual behavior of the implementation
        assertThrows(NullPointerException.class, () -> outputStream.write(65));
    }

    @Test

    TypeToken<List<? extends Number>> numberList = new TypeToken<List<? extends Number>>() {};
    abstract class StringList implements List<String> {}
    assertThrows(IllegalArgumentException.class, () -> numberList.getSubtype(StringList.class));
  }

  private static class OwnerTypeSubtypingTests extends SubtypeTester {
    @TestSubtype
    public Mall<Outdoor>.Shop<Electronics> innerTypeIsSubtype(

        TypeAdapter,
        WithJsonSchema,
    )

    class FakeNumpyArray:
        def __init__(self):
            self.data = [1.0, 2.0, 3.0]

    FakeNumpyArrayPydantic = Annotated[
        FakeNumpyArray,
        WithJsonSchema(TypeAdapter(list[float]).json_schema()),
        PlainSerializer(lambda v: v.data),
    ]

    class MyModel(BaseModel):
        model_config = ConfigDict(arbitrary_types_allowed=True)

import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.Configuration;

@ExtendWith(MockitoExtension.class)
class NodeStatusResponseTest {

    @Mock
    private Configuration mockConfig;

    @Mock
    private NbtAddress mockQueryAddress;

    private NodeStatusResponse response;

    @BeforeEach

 * This class provides DCE/RPC interface for SAM database operations including
 * user account management, group operations, and domain security functions.
 */
@SuppressWarnings("all")
public class samr {

    /**
     * Private constructor to prevent instantiation of utility class.
     */
    private samr() {
        // Utility class
    }

    /**

 * This class provides DCE/RPC interface for SAM database operations including
 * user account management, group operations, and domain security functions.
 */
public class samr {

    /**
     * Private constructor to prevent instantiation of utility class.
     */
    private samr() {
        // Utility class
    }

    /**

import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import jcifs.DfsReferralData;

/**
 * Test class for DfsReferralDataInternal interface
 * Tests the interface contract using mock implementations and concrete class
 */
@DisplayName("DfsReferralDataInternal Interface Tests")
class DfsReferralDataInternalTest {

    @Mock
    private DfsReferralDataInternal mockReferralData;

    @Mock