While debugging into issue 99082 it showed that our Aqua port doesn't support some easy data flavors 
directly. Since they are usually supported indirectly because most other applications advertise and 
accept related data flavors this is not much of a problem yet. We should just be aware.

Here is a small list of some easy flavors that are not directly supported yet:
 public.utf16-external-plain-text
 public.utf8-plain-text
 public.rtf
 public.url
 public.url-name
 public.tiff
 public.jpeg
...
Search for "understanding_utis" to find the documentation about more Uniform Type Identifiers.