{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"expansion.expr().and_then(|expr|"}]}
                    expansion.expr().and_then(|expr| match expr {
                    expansion.statements().for_each(|stmt| this.collect_stmt(statements, stmt));
                        ast::Expr::MacroExpr(mac) => this.collect_macro_as_stmt(statements, mac),