SGA-12671 added cfg_attr to enum

Author: etgarperets

src/ast/query.rs

@@ -3142,6 +3142,8 @@ pub struct Values {
 }
 
 #[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
 pub enum ValuesKeyword {
     Values,
     Value,