import java.util.concurrent.ConcurrentHashMap;
import org.jspecify.annotations.Nullable;

/**
 * Methods factored out so that they can be emulated differently in GWT.
 *
 * @author Hayward Chan
 */
@GwtCompatible
final class Platform {

  /** Returns the platform preferred implementation of a map based on a hash table. */
  static <K extends @Nullable Object, V extends @Nullable Object>

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;

@Deprecated
class ProjectClasspathTestType extends AbstractMavenProjectTestCase {
    static final String DIR = "projects/scope/";

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        super.setUp();

/**
 * Shared methods of the repository metadata handling.
 *
 */
@Deprecated
public abstract class AbstractRepositoryMetadata implements RepositoryMetadata {
    private static final String LS = System.lineSeparator();

    private Metadata metadata;

    protected AbstractRepositoryMetadata(Metadata metadata) {
        this.metadata = metadata;
    }

    @Override

    return response.body().string();
  }
}
```


Post to a Server
----------------

This program posts data to a service. [Full source][post_example].

```java
public static final MediaType JSON = MediaType.get("application/json");

OkHttpClient client = new OkHttpClient();

String post(String url, String json) throws IOException {
  RequestBody body = RequestBody.create(json, JSON);

import jcifs.internal.smb2.RequestWithFileId;
import jcifs.internal.util.SMBUtil;

@ExtendWith(MockitoExtension.class)
class Smb2CreateResponseTest {

    // SMB2 header size in bytes
    private static final int SMB2_HEADER_LENGTH = 64;

    /**
     * Build a minimal SMB2 header for a response.
     */
    private static byte[] buildSmb2Header() {

        // Given
        when(mockDelegate.hasNext()).thenReturn(true, false);
        when(mockDelegate.next()).thenReturn(mockFileEntry1);

        // Create iterator with custom adapt implementation
        final boolean[] adaptCalled = { false };
        DirFileEntryAdapterIterator iterator = new DirFileEntryAdapterIterator(mockParent, mockDelegate, null) {
            @Override
            protected SmbResource adapt(FileEntry e) {

        }
    }

    /**
     * Test helper class for mocking URL.openConnection() behavior
     */
    static class TestURLStreamHandler extends java.net.URLStreamHandler {
        private final List<HttpURLConnection> connections = new ArrayList<>();
        private int currentIndex = 0;

        void addConnection(HttpURLConnection conn) {
            connections.add(conn);
        }

        session.setLocalRepositoryManager(new SimpleLocalRepositoryManagerFactory().newInstance(session, localRepo));
        return session;
    }

    private static final char[] HEX_CODE = "0123456789ABCDEF".toCharArray();

    private static String printHexBinary(byte[] data) {
        StringBuilder r = new StringBuilder(data.length * 2);
        for (byte b : data) {

   * input.
   */
  @VisibleForTesting(
      )
  static final double HASH_FLOODING_FPP = 0.001;

  /**
   * Maximum allowed length of a hash table bucket before falling back to a j.u.LinkedHashSet based
   * implementation. Experimentally determined.
   */
  private static final int MAX_HASH_BUCKET_LENGTH = 9;

import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Gregory Kick
 */
@GwtCompatible
@NullUnmarked
public class ContiguousSetTest extends TestCase {
  private static final DiscreteDomain<Integer> NOT_EQUAL_TO_INTEGERS =
      new DiscreteDomain<Integer>() {
        @Override
        public Integer next(Integer value) {
          return integers().next(value);
        }

        @Override