@Deprecated public static Collection<String> id8s(@Nullable Collection<UUID> ids){
  if (ids == null || ids.isEmpty())   return Collections.emptyList();
  return F.viewReadOnly(ids,ID2ID8);
}

@ Deprecated public static Collection < String > id8s ( @ Nullable Collection < UUID > ids ) { if ( ids == null || ids . isEmpty ( ) ) return Collections . emptyList ( ) ; return F . viewReadOnly ( ids , ID2ID8 ) ; }
convenient utility method that returns collection of node id8s for a given collection of node ids . id8 is a shorter string representation of node id , mainly the first 8 characters . < p > note that this method doesn ' t create a new collection but simply iterates over the input one .
