{"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
            let last_line_index = file_lines.lines[file_lines.lines.len() - 1].line_index;
            // If those lines aren't equal, we print their diff
            let last_line = &file_lines.file.get_line(last_line_index).unwrap();