public Object remove(final Object key) {
        return getProperties().remove(key);
    }

    @Override
    public void save(final OutputStream out, final String comments) {
        throw new UnsupportedOperationException("Unsupported operation.");
    }

    @Override
    public Object setProperty(final String key, final String value) {
        return getProperties().setProperty(key, value);
    }

    @Override

     */
    @Override
    public PluginDescriptor clone() {
        try {
            return (PluginDescriptor) super.clone();
        } catch (CloneNotSupportedException e) {
            throw new UnsupportedOperationException(e);
        }
    }

    public void addMojos(List<MojoDescriptor> mojos) throws DuplicateMojoDescriptorException {
        for (MojoDescriptor mojoDescriptor : mojos) {

    public void xdisableFetchNarrowing() {
        // no need to disable in ConditionBean, basically for OutsideSql
        String msg = "This method is unsupported on ConditionBean!";
        throw new UnsupportedOperationException(msg);
    }

    @Override
    public void xenableIgnoredFetchNarrowing() {
        // do nothing
    }

    @Override
    public void checkSafetyResult(int safetyMaxResultSize) {

        }
    }

    @Override
    protected Number doReadNextVal() {
        final String msg = "This table is NOT related to sequence: " + asEsIndexType();
        throw new UnsupportedOperationException(msg);
    }

    @Override
    protected <RESULT extends Entity> ListResultBean<RESULT> createListResultBean(final ConditionBean cb, final List<RESULT> selectedList) {

 *
 * <p>All methods that modify the multimap are optional. The view collections returned by the
 * multimap may or may not be modifiable. Any modification method that is not supported will throw
 * {@link UnsupportedOperationException}.
 *
 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/NewCollectionTypesExplained#multimap">{@code Multimap}</a>.
 *
 * @author Jared Levy
 * @since 2.0
 */

 *
 * <p>All methods that modify the table are optional, and the views returned by the table may or may
 * not be modifiable. When modification isn't supported, those methods will throw an {@link
 * UnsupportedOperationException}.
 *
 * <h3>Implementations</h3>
 *
 * <ul>
 *   <li>{@link ImmutableTable}
 *   <li>{@link HashBasedTable}
 *   <li>{@link TreeBasedTable}
 *   <li>{@link ArrayTable}

        }
    }

    @Override
    protected Number doReadNextVal() {
        final String msg = "This table is NOT related to sequence: " + asEsIndexType();
        throw new UnsupportedOperationException(msg);
    }

    @Override
    protected <RESULT extends Entity> ListResultBean<RESULT> createListResultBean(final ConditionBean cb, final List<RESULT> selectedList) {

  // BiMap-specific tests

  @SuppressWarnings("DoNotCall")
  public void testForcePut() {
    BiMap<String, Integer> bimap = ImmutableBiMap.copyOf(ImmutableMap.of("one", 1, "two", 2));
    assertThrows(UnsupportedOperationException.class, () -> bimap.forcePut("three", 3));
  }

  public void testKeySet() {
    ImmutableBiMap<String, Integer> bimap =

      this.unusableDelegate =
          (SetMultimap<K, V>)
              newProxy(
                  SetMultimap.class,
                  (proxy, method, args) -> {
                    throw new UnsupportedOperationException();
                  });
    }

    @Override
    protected Multimap<K, V> delegate() {
      return unusableDelegate;
    }

    @Override
    public boolean put(K key, V value) {

  }

  public void testAtMostOneSeparator() {
    BaseEncoding separated = base64().withSeparator("\n", 3);
    assertThrows(UnsupportedOperationException.class, () -> separated.withSeparator("$", 4));
  }

  public void testBase64() {
    // The following test vectors are specified in RFC 4648 itself
    testEncodingWithSeparators(base64(), "", "");