use Help …

        use Help 'Horrible::Thing';     

• This calls Help->import('Horrible::Thing'):

        package Help;
        
        sub import {
          my ($selfclass, @classes) = @_;      
          for my $class (@classes) {
            my $isa_var = $class . "::ISA";
           push @{$isa_var}, $selfclass;
          }
        }

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