code: @Override
      public void showErrors(List<EditorError> errors) {
          init();
          // clearErrors();
          String errorMsg = "";
          if (validationStateParent != null) {
              validationStateParent.setValidationState(errors.size() <= 0 ? ValidationState.NONE : ValidationState.ERROR);
              for (int index = 0; index < errors.size(); index++) {
                  errorMsg = errors.get(0).getMessage();
                  if (index + 1 < errors.size()) { errorMsg += "; "; }
              }
          }
          if (validationStateHelpBlock != null) {
              validationStateHelpBlock.setError(errorMsg);
          }
      }
docs: {@inheritDoc}