code: public void setConfigurationItems(java.util.Collection<ConfigurationItem> configurationItems) {
          if (configurationItems == null) {
              this.configurationItems = null;
              return;
          }
  
          this.configurationItems = new com.amazonaws.internal.SdkInternalList<ConfigurationItem>(configurationItems);
      }
docs: <p>
  A list that contains the configuration history of one or more resources.
  </p>
  
  @param configurationItems
  A list that contains the configuration history of one or more resources.