@Nullable
    private PsiElement resolveInner() {
      PsiElement parent = myElement.getParent();
      if (!(parent instanceof ShIncludeCommandImpl includeCommand)) return null;
      List<ShSimpleCommandElement> commandList = includeCommand.getSimpleCommandElementList();
      if (commandList.size() <= 0 || commandList.get(0) != myElement) return null;
      return includeCommand.getReferencingFile(myElement);
    }
@Nullable
    private PsiElement resolveInner()