{"ast_node_type":"other","tokens":[{"end":24,"kind":"keyword","start":0,"text":"self.bump();"}]}
            self.bump();
            self.dcx().emit_err(DocCommentOnParamType { span: self.token.span });
        } else if self.token == token::Pound && self.look_ahead(1, |t| *t == token::OpenBracket) {