function ftruncateimport { ftruncate } from "https://deno.land/std@0.138.0/node/_fs/_fs_ftruncate.ts"; ftruncate(fd: number,lenOrCallback: number | CallbackWithError,maybeCallback?: CallbackWithError,)Parametersfd: numberlenOrCallback: number | CallbackWithErroroptionalmaybeCallback: CallbackWithError