code: public java.util.Map<String, String> getAdditionalInfo() {
          if (additionalInfo == null) {
              additionalInfo = new com.amazonaws.internal.SdkInternalMap<String, String>();
          }
          return additionalInfo;
      }
docs: <p>
  This option is for advanced users only. This is meta information about third-party applications that third-party
  vendors use for testing purposes.
  </p>
  
  @return This option is for advanced users only. This is meta information about third-party applications that
  third-party vendors use for testing purposes.