{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"self.parse_block_common(self.token.span,"}]}
            self.parse_block_common(self.token.span, BlockCheckMode::Default, None)
        } else if self.check(exp!(OpenBrace)) || self.token.is_metavar_block() {
                .map(|(attrs, body)| (attrs, Some(body)))?