function fchmodSync Usage in Deno```typescript import { fchmodSync } from "node:node__fs.d.ts"; ``` fchmodSync(fd: number,mode: Mode,): void Sets the permissions on the file. Returns `undefined`. See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail. Parameters fd: number mode: Mode Return Type void