function fstatSync
fstatSync(fd: number,options?: StatOptions & { bigint?: false | undefined; },): StatsRetrieves the fs.Stats for the file descriptor.
See the POSIX fstat(2) documentation for more detail.
optional
options: StatOptions & { bigint?: false | undefined; }fstatSync(fd: number,options: StatOptions & { bigint: true; },): BigIntStatsoptions: StatOptions & { bigint: true; }fstatSync(fd: number,options?: StatOptions,): Stats | BigIntStatsoptional
options: StatOptions