* @param writer   a writer object
     * @param metadata a Metadata object
     * @throws java.io.IOException java.io.IOException if any
     */
    public void write(Writer writer, Metadata metadata) throws java.io.IOException {
        try {
            delegate.write(writer, metadata.getDelegate());
        } catch (XMLStreamException e) {
            throw new IOException(e);
        }
    }

    /**
     * Method write.
     *

      override fun fromDer(reader: DerReader): Pair<DerAdapter<*>, Any?> {
        val peekedHeader =
          reader.peekHeader()
            ?: throw ProtocolException("expected a value at $reader")

        val choice =
          choices.firstOrNull { it.matches(peekedHeader) }
            ?: throw ProtocolException(
              "expected a matching choice but was $peekedHeader at $reader",
            )

    when both are applicable.
 *  Fix: Fail early when a port is out of range.
 *  Fix: Offer `Content-Length` headers for multipart request bodies.
 *  Fix: Throw `UnknownServiceException` if a cleartext connection is attempted
    when explicitly forbidden.
 *  Fix: Throw a `SSLPeerUnverifiedException` when host verification fails.
 *  Fix: MockWebServer explicitly closes sockets. (On some Android releases,

    FutureCallback<String> callback =
        new FutureCallback<String>() {
          @Override
          public void onSuccess(String result) {
            successCalls[0]++;
            throw exception;
          }

          @Override
          public void onFailure(Throwable t) {
            failureCalls[0]++;
          }
        };
    addCallback(future, callback, directExecutor());

                            .actionGet(getIndicesTimeout());
                } catch (final IOException e) {
                    throw new SuggesterException(e);
                }
            }

            final List<Tuple<String, Object>> arraySettings = new ArrayList<>();
            final Map<String, Object> defaultSettings = defaultSettings();

        delete(file);
      }
    }
    filesToDelete.clear();
  }

  private File getTestDir() throws IOException {
    if (testDir != null) {
      return testDir;
    }

    URL testFileUrl = IoTestCase.class.getResource("testdata/i18n.txt");
    if (testFileUrl == null) {
      throw new RuntimeException("unable to locate testdata directory");
    }

    if (testFileUrl.getProtocol().equals("file")) {

   * {@code ClassCastException} for any elements {@code e1} and {@code e2} in the multiset. If the
   * user attempts to add an element to the multiset that violates this constraint (for example, the
   * user attempts to add a string element to a set whose elements are integers), the {@code
   * add(Object)} call will throw a {@code ClassCastException}.
   *

            if (artifactoryUrl.isEmpty()) {
                throw GradleException("artifactoryUrl is not set!")
            }
            if (artifactoryUserName.isNullOrEmpty()) {
                throw GradleException("artifactoryUserName is not set!")
            }
            if (artifactoryUserPassword.isNullOrEmpty()) {
                throw GradleException("artifactoryUserPassword is not set!")
            }
        }

   *
   * @deprecated unsupported operation
   * @throws UnsupportedOperationException always
   */
  @CanIgnoreReturnValue
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  @CheckForNull
  public B put(TypeToken<? extends @NonNull B> key, @ParametricNullness B value) {
    throw new UnsupportedOperationException("Please use putInstance() instead.");
  }

  /**

        @ParametricNullness V value) {
      throw new UnsupportedOperationException();
    }

    @Override
    public void putAll(Table<? extends R, ? extends C, ? extends V> table) {
      throw new UnsupportedOperationException();
    }

    @Override
    @CheckForNull
    public V remove(@CheckForNull Object rowKey, @CheckForNull Object columnKey) {
      throw new UnsupportedOperationException();
    }