{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"AssocItemKind::Type(box"}]}
            AssocItemKind::Type(box TyAlias { ident, generics, .. }) => {
            }
                self.diag_metadata.in_non_gat_assoc_type = Some(generics.params.is_empty());