{"ast_node_type":"import","tokens":[{"end":100,"kind":"keyword","start":0,"text":"//"}]}
                    // This is because the `token.kind` of the close delim is treated as the same as
                    // but the actual `token.kind` is `token::CloseBracket`.
                    // that of the open delim in `TokenTreesReader::parse_token_tree`, even if the delimiters of them are different.