@Override
  public boolean isVisibleOnElement(@NotNull PsiElement element) {
    PsiFile containingFile = element.getContainingFile();
    final VirtualFile virtualFile = containingFile != null ? containingFile.getVirtualFile() : null;
    if (virtualFile != null &&
        ProjectRootManager.getInstance(element.getProject()).getFileIndex().isInLibraryClasses(virtualFile)) {
      return false;
    }
    if (element instanceof PyTargetExpression || element instanceof PyNamedParameter) {
      return true;
    }
    return isBooleanLiteral(element.getParent());
  }
@Override
  public boolean isVisibleOnElement(@NotNull PsiElement element)