"type": "string"
                        }
                    },
                    "msg": {
                        "title": "Message",
                        "type": "string"
                    },
                    "type": {
                        "title": "Error Type",
                        "type": "string"
                    }
                }
            },

  public void edges_checkReturnedSetMutability() {
    Set<String> edges = network.edges();
    assertThrows(UnsupportedOperationException.class, () -> edges.add(E12));
    addEdge(N1, N2, E12);
    assertThat(network.edges()).containsExactlyElementsIn(edges);
  }

  @Override
  @Test
  public void incidentEdges_checkReturnedSetMutability() {
    addNode(N1);
    Set<String> incidentEdges = network.incidentEdges(N1);

    /**
     * Search criteria: authentication ID.
     */
    public String id;

    /**
     * Search criteria: port number.
     */
    public String port;

    /**
     * Search criteria: username.
     */
    public String username;

    /**
     * Search criteria: web configuration ID.
     */
    public String webConfigId;

    /**
     * Search criteria: creator user.
     */

    /** Boost document ID for search filtering. */
    public String id;

    /** URL expression for search filtering. */
    public String urlExpr;

    /** Boost expression for search filtering. */
    public String boostExpr;

    /** Sort order for search filtering. */
    public String sortOrder;

    /** Creator username for search filtering. */
    public String createdBy;

    /** Creation time for search filtering. */

   */
  private class AlpnProvider(
    /** This peer's supported protocols. */
    private val protocols: List<String>,
  ) : InvocationHandler {
    /** Set when remote peer notifies ALPN is unsupported. */
    var unsupported: Boolean = false

    /** The protocol the server selected. */
    var selected: String? = null

    @Throws(Throwable::class)
    override fun invoke(
      proxy: Any,
      method: Method,

   */
  private final Equivalence<? super T> equivalence;

  private final String relationshipName;
  private final String hashName;
  private final ItemReporter itemReporter;
  private final List<ImmutableList<T>> groups = new ArrayList<>();

  RelationshipTester(
      Equivalence<? super T> equivalence,
      String relationshipName,
      String hashName,
      ItemReporter itemReporter) {

  ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);

  // Test TF_Operation*() query functions.
  EXPECT_EQ(std::string("feed"), std::string(TF_OperationName(feed)));
  EXPECT_EQ(std::string("Placeholder"), std::string(TF_OperationOpType(feed)));
  EXPECT_EQ(std::string(""), std::string(TF_OperationDevice(feed)));
  EXPECT_EQ(1, TF_OperationNumOutputs(feed));
  EXPECT_EQ(TF_INT32, TF_OperationOutputType(TF_Output{feed, 0}));

      return subclass;
    }
    // class Base<A, B> {}
    // class Sub<X, Y> extends Base<X, Y> {}
    // Base<String, Integer>.subtype(Sub.class):

    // Sub<X, Y>.getSupertype(Base.class) => Base<X, Y>
    // => X=String, Y=Integer
    // => Sub<X, Y>=Sub<String, Integer>
    TypeToken<?> genericSubtype = toGenericType(subclass);

    private static final Logger logger = LogManager.getLogger(RequestHeader.class);

    private WebConfig webConfig;

    public String getId() {
        return asDocMeta().id();
    }

    public void setId(final String id) {
        asDocMeta().id(id);
    }

    public Long getVersionNo() {
        return asDocMeta().version();
    }

  void writeDouble(double v);

  @Override
  void writeChars(String s);

  @Override
  void writeUTF(String s);

  /**
   * @deprecated This method is dangerous as it discards the high byte of every character. For
   *     UTF-8, use {@code write(s.getBytes(StandardCharsets.UTF_8))}.
   */
  @Deprecated
  @Override
  void writeBytes(String s);