@Override
    public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
      final XmlAttributeValue value = (XmlAttributeValue)descriptor.getPsiElement();
      if (value == null) return;
      try {
        final PsiReference[] refs = value.getReferences();
        if (refs.length != 1) return;
        ElementManipulators.handleContentChange(value, refs[0].getRangeInElement(), myAdequateValue);
      }
      catch (IncorrectOperationException e) {
        LOG.error(e);
      }
    }
@Override
    public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor)