code: func (c *Corpus) EnumeratePermanodesCreated(fn func(camtypes.BlobMeta) bool, newestFirst bool) {
  	c.enumeratePermanodes(fn, c.permanodesByTime.sorted(newestFirst))
  }
docs: // EnumeratePermanodesCreated calls fn for all permanodes.
  // They are sorted using the contents creation date if any, the permanode modtime
  // otherwise, and in the order specified by newestFirst.
  // Iteration ends prematurely if fn returns false.