{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"ty::VtblEntry::MetadataSize"}]}
                        ty::VtblEntry::MetadataSize => ("size".to_string(), usize_di_node),
                        ty::VtblEntry::MetadataAlign => ("align".to_string(), usize_di_node),
                        ty::VtblEntry::Vacant => return None,