      'model_field',
      'related_model',
      'to_many',
      'has_through_model'
  ])
  
  
  def _resolve_model(obj):
      """
 
</s> remove     model_field, related_model, to_many, has_through_model = relation_info
 </s> add     model_field, related_model, to_many, to_field, has_through_model = relation_info
    'to_field',
      'model_field',
      'related_model',
      'to_many',
    'to_field',
      'has_through_model'
  ])
  
  
  def _resolve_model(obj):
      """
keep keep add keep keep keep keep keep keep
 Added support for the to_field on ForeignKey fields 
rest_framework/utils/model_meta.py