get(key: string): string

import dataset from 'pts/dataset';

export default function () {
  // 获取 dataset 中列名为 'key1' 的数据值，假设值为 'value1'
  const value = dataset.get('key1');
  // 输出 'key1 => value1'
  console.log(`key1 => ${value}`);
}