// Check build/plugins
        Element buildElement = root.child(BUILD).orElse(null);
        if (buildElement != null) {
            Element pluginsElement = buildElement.child(PLUGINS).orElse(null);
            if (pluginsElement != null) {
                hasUpgrades |= upgradePluginsInSection(

     *
     * @param session the {@link Session}, must not be {@code null}
     * @param installationToolchainsFile The {@link Source} pointing to the installation toolchains, must not be {@code null}
     * @param userToolchainsSource The {@link Source} pointing to the user toolchains, must not be {@code null}
     * @throws ToolchainsBuilderException if the project cannot be created

        classMetaData.addMethod(METHOD_NAME, TypeMetaData.VOID, null)
        classMetaData.addMethod(METHOD_NAME, TypeMetaData.VOID, null).addParameter('param1', new TypeMetaData("java.lang.Integer"))
        def overloadedCalculateMethod = classMetaData.addMethod('calculate', TypeMetaData.VOID, null)
        overloadedCalculateMethod.addParameter('x', new TypeMetaData("java.lang.Integer"))

    Set<CombinedInterface> getSetProp() { return null; }

    Map<CombinedInterface, JavaClassWithParameterizedTypes> getMapProp() { return null; }

    List<?> getWildcardProp() { return null; }

    List<? extends CombinedInterface> getUpperBoundProp() { return null; }

    List<? super CombinedInterface> getLowerBoundProp() { return null; }

        doUpdate(entity, null);
    }

    public void insertOrUpdate(CrawlingInfoParam entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(CrawlingInfoParam entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

        doUpdate(entity, null);
    }

    public void insertOrUpdate(RoleType entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(RoleType entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(RoleType entity) {

        doUpdate(entity, null);
    }

    public void insertOrUpdate(UserInfo entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(UserInfo entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(UserInfo entity) {

    Cell[] as;
    long b, v;
    int[] hc;
    Cell a;
    int n;
    if ((as = cells) != null || !casBase(b = base, b + x)) {
      boolean uncontended = true;
      if ((hc = threadHashCode.get()) == null
          || as == null
          || (n = as.length) < 1
          || (a = as[(n - 1) & hc[0]]) == null
          || !(uncontended = a.cas(v = a.value, v + x))) retryUpdate(x, hc, uncontended);
    }
  }

    Map<C, V> row = safeGet(rowMap(), rowKey);
    return row != null && Maps.safeContainsKey(row, columnKey);
  }

  @Override
  public @Nullable V get(@Nullable Object rowKey, @Nullable Object columnKey) {
    Map<C, V> row = safeGet(rowMap(), rowKey);
    return (row == null) ? null : safeGet(row, columnKey);
  }

  @Override
  public boolean isEmpty() {
    return size() == 0;
  }

  public void testContainsEntryNullYes() {
    initMultimapWithNullKeyAndValue();
    assertTrue(multimap().containsEntry(null, null));
  }

  @MapFeature.Require({ALLOWS_NULL_KEY_QUERIES, ALLOWS_NULL_VALUE_QUERIES})
  public void testContainsEntryNullNo() {
    assertFalse(multimap().containsEntry(null, null));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)