fsPromises.statfs(path[, options])
- 
options<Object>- 
bigint<boolean> 返回的 <fs.StatFs> 对象中的数值是否应为bigint。默认值:false。¥
bigint<boolean> Whether the numeric values in the returned <fs.StatFs> object should bebigint. Default:false. 
 - 
 - 
返回:<Promise> 满足给定
path的 <fs.StatFs> 对象。¥Returns: <Promise> Fulfills with the <fs.StatFs> object for the given
path.