stats.mtimeNs


    仅在 bigint: true 传入到生成对象的方法中时出现。 指示最后一次修改此文件的时间戳,以 POSIX Epoch 以来的纳秒数表示。

    Only present when bigint: true is passed into the method that generates the object. The timestamp indicating the last time this file was modified expressed in nanoseconds since the POSIX Epoch.