anchor.diff:  For example, the `all` field below is annotated as `hidden = true`:
   [source,java]
   ----
  -@Command(showDefaultValues = false)
  +@Command()
   class App {
       @Parameters(index = "0",    description = "destination host")  InetAddress host;
       @Parameters(index = "1",    description = "destination port")  int port;
  
positive.code: 
  [source,java]
  ----
  @Option(names = {"-h", "--help"}, help = true, description = "display this help message")
  boolean helpRequested;
  ----
  
negative.code: <command> -s A B C -- file1 file2 file3
  ----
  
  ==== Unambiguous
  
  NOTE: A separator clarifies that a parameter belongs to an option, but does not prevent subsequent parameters from also being assigned to the same option. For example:
  
  [source,java]
  ----
  