sub _composite_info_for {
 my ($me, @roles) = @_;
 $COMPOSITE_INFO{join('|', sort @roles)} ||= do { #  <-- 199
   _load_module($_) for @roles;
   my %methods;
   foreach my $role (@roles) {
     my $this_methods = $me->_concrete_methods_of($role);
     $methods{$_}{$this_methods->{$_}} = $role for keys %$this_methods;
   }
   delete $methods{$_} for grep keys(%{$methods{$_}}) == 1, keys %methods;
   +{ conflicts => \%methods }
 };
}