int threadCount = 10;
            Thread[] threads = new Thread[threadCount];
            byte[][] dataArrays = new byte[threadCount][128];

            for (int i = 0; i < threadCount; i++) {
                final int index = i;
                dataArrays[i] = new byte[128];
                Arrays.fill(dataArrays[i], (byte) i);

                threads[i] = new Thread(() -> {

            Map<String, Object> doc = new HashMap<>();
            doc.put("title", "Test Document");
            documentList.add(doc);

            // Create empty aggregations instead of null
            Aggregations emptyAggregations = InternalAggregations.EMPTY;
            return new SearchResult(documentList, 1L, "eq", 100L, false, new FacetResponse(emptyAggregations));
        }

import java.io.IOException;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public final class AccessHeaders {
  private final OkHttpClient client = new OkHttpClient();

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("https://api.github.com/repos/square/okhttp/issues")
        .header("User-Agent", "OkHttp Headers.java")

        throw new UnsupportedOperationException();
    }

    @Override
    public void assembleModelInheritance(Model child, Model parent) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void assembleBuildInheritance(Build childBuild, Build parentBuild, boolean handleAsInheritance) {
        throw new UnsupportedOperationException();
    }

    @Override

has been replaced with a new synthetic header, `OkHttp-Selected-Protocol`.

##### Changes

 * New: Support for `HTTP-draft-09/2.0`.
 * New: Support for `spdy/3.1`. Dropped support for `spdy/3`.
 * New: Use ALPN on Android platforms that support it (4.4+)
 * New: CacheControl model and parser.
 * New: Protocol selection in MockWebServer.

    nonEmptyProperSubset = new Target(MinimalCollection.of(e1()), "subset");
    sameElements = new Target(asList(createSamplesArray()), "sameElements");
    containsDuplicates =
        new Target(MinimalCollection.of(e0(), e0(), e3(), e3()), "containsDuplicates");
    partialOverlap = new Target(MinimalCollection.of(e2(), e3()), "partialOverlap");

    StringBuilder builder2 = new StringBuilder();
    copied = CharStreams.copy(new StringReader(I18N), builder2);
    assertEquals(I18N, builder2.toString());
    assertEquals(I18N.length(), copied);
  }

  public void testCopy_toStringBuilder_fromReadable() throws IOException {
    StringBuilder builder = new StringBuilder();
    long copied = CharStreams.copy(wrapAsGenericReadable(new StringReader(ASCII)), builder);

    StringBuilder builder2 = new StringBuilder();
    copied = CharStreams.copy(new StringReader(I18N), builder2);
    assertEquals(I18N, builder2.toString());
    assertEquals(I18N.length(), copied);
  }

  public void testCopy_toStringBuilder_fromReadable() throws IOException {
    StringBuilder builder = new StringBuilder();
    long copied = CharStreams.copy(wrapAsGenericReadable(new StringReader(ASCII)), builder);

    }

    public void test_nestedExceptions() {
        // Test nested exception handling
        Exception innerCause = new IllegalArgumentException("Invalid LDAP parameter");
        RuntimeException middleCause = new RuntimeException("LDAP configuration error", innerCause);
        LdapOperationException exception = new LdapOperationException("LDAP operation failed", middleCause);

            server = startFtpServer(FTP_PORT, username, password);
            Map<String, Object> params = new HashMap<String, Object>();
            FtpAuthentication auth = new FtpAuthentication();
            auth.setUsername(username);
            auth.setPassword(password);
            params.put(FtpClient.FTP_AUTHENTICATIONS_PROPERTY, new FtpAuthentication[] { auth });
            ftpClient.setInitParameterMap(params);