code: public java.util.List<ValidationWarning> getValidationWarnings() {
          if (validationWarnings == null) {
              validationWarnings = new com.amazonaws.internal.SdkInternalList<ValidationWarning>();
          }
          return validationWarnings;
      }
docs: <p>
  Any validation warnings that were found.
  </p>
  
  @return Any validation warnings that were found.