docs: private boolean areChildrenComputableAsPyExprs(ParentSoyNode<?> node) {
  
      for (SoyNode child : node.getChildren()) {
        // Note: Save time by not visiting RawTextNode and PrintNode children.
        if (!(child instanceof RawTextNode) && !(child instanceof PrintNode)) {
          if (!visit(child)) {
            return false;
          }
        }
      }
  
      return true;
    }