{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"WidePtrKind::Dyn"}]}
                        WidePtrKind::Dyn => ("pointer", "vtable"),
                    let (addr_field_name, extra_field_name) = match wide_pointer_kind {
                        WidePtrKind::Slice => ("data_ptr", "length"),