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('srcmaps-catalog', SrcmapsCatalog_SG,
                         comp=comp, data=data,
                         library=library,
                         nsrc=args.get('nsrc', 500),
                         dry_run=dry_run)
  
          self._set_link('gather-srcmaps', GatherSrcmaps_SG,
                         comp=comp, data=data,
                         library=library,
                         dry_run=dry_run)
          
          self._set_link('merge-srcmaps', MergeSrcmaps_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