@Override
        public void customizePsiFile(PsiFile psiFile) {
          // important to get proper validation & completion for Jaxen's built-in and PSI functions
          // like lower-case(), file-type(), file-ext(), file-name(), etc.
          if (proxy != null) {
            proxy.attachContext(psiFile);
          }
        }
@Override
        public void customizePsiFile(PsiFile psiFile)