{"ast_node_type":"variable","tokens":[{"end":78,"kind":"keyword","start":0,"text":"if"}]}
                    if let MacroDefKind::ProcMacro(_, exp, _) = loc.def.kind {
                    let loc = self.db.lookup_intern_macro_call(call_id);
                        // If there's no expander for the proc macro (e.g. the