docs: def handle(self, *args, **options):
          """Command handle."""
          verbosity = int(options['verbosity'])
          skip_mapping = options['skip_mapping']
  
          if self.has_filter(options):
              self.filter_indices(options, verbosity, skip_mapping=skip_mapping)
          else:
              # Process all indices.
              index_builder.delete(skip_mapping=skip_mapping)