code: def _output_validators(self):
          
          if self._walk_for_type('Boolean'):
              print("from .validators import boolean")
          if self._walk_for_type('Integer'):
              print("from .validators import integer")
          vlist = self.override.get_validator_list()
          for override in vlist:
              if override.startswith('common/'):
                  override = override.lstrip('common/')
                  filename = "validators"
              else:
                  filename = "%s_validators" % self.filename
              print("from .%s import %s" % (filename, override))
docs: Output common validator types based on usage.