{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"self.consume_operand(loc,"}]}
                    self.consume_operand(loc, (len, span), state);
                if let AssertKind::BoundsCheck { len, index } = &**msg {
                    self.consume_operand(loc, (index, span), state);