code: def _map_arguments(self, args):
          
          data = args.get('data')
          comp = args.get('comp')
          library = args.get('library')
          dry_run = args.get('dry_run', False)
  
          self._set_link('sum-rings', SumRings_SG,
                         library=library,
                         outdir=args['outdir'],
                         dry_run=dry_run)
  
          self._set_link('srcmaps-diffuse', SrcmapsDiffuse_SG,
                         comp=comp, data=data,
                         library=library,
                         make_xml=args['make_xml'],
                         dry_run=dry_run)
  
          self._set_link('vstack-diffuse', Vstack_SG,
                         comp=comp, data=data,
                         library=library,
                         dry_run=dry_run)
docs: Map from the top-level arguments to the arguments provided to
          the indiviudal links