_install_tracked $target => hasrw => sub {
      my @words = @_;
      if (@_ == 1 and $words[0] =~ m/ /)
      {
          # they passed a string with space separated words
          @words = split ' ', $words[0];
      }
      push @words, 'is', 'rw';

      # not sure if this is the right way to call has
      $MAKERS{Testpool}{exports}{has}->(@words);
      return;
  };

  _install_tracked $target => hasro => sub {
      my @words = @_;
      if (@_ == 1 and $words[0] =~ m/ /)
      {
          @words = split ' ', $words[0];
      }
      push @words, 'is', 'ro';
      $MAKERS{Testpool}{exports}{has}->(@words);
      return;
  };

  _install_tracked $target => hasrwd => sub {
      my ($name, $default) = @_;
      my @words = ($name, 'default', $default, 'is', 'rw');
      $MAKERS{Testpool}{exports}{has}->(@words);
      return;
  };

  _install_tracked $target => hasrod => sub {
      my ($name, $default) = @_;
      my @words = ($name, 'default', $default, 'is', 'ro');
      $MAKERS{Testpool}{exports}{has}->(@words);
      return;
  };