docs: public static <R> void execOnAllV2Exprs(
        SoyNode node, final AbstractNodeVisitor<ExprNode, R> exprNodeVisitor) {
      visitAllNodes(
          node,
          new NodeVisitor<Node, VisitDirective>() {
            @Override
            public VisitDirective exec(Node node) {
              if (node instanceof ExprHolderNode) {
                for (ExprRootNode expr : ((ExprHolderNode) node).getExprList()) {
                  exprNodeVisitor.exec(expr);
                }
              } else if (node instanceof ExprNode) {
                return VisitDirective.SKIP_CHILDREN;
              }
              return VisitDirective.CONTINUE;
            }
          });
    }