new_contents: from rest_framework import serializers
  
  
  class CompositeFieldSerializer(serializers.Field):
  
      def to_representation(self, obj):
          return obj.to_dict()
  
      def to_internal_value(self, data):
          return data
  
  
  class CompositeFieldModelSerializerMixin(object):
  
      def build_property_field(self, field_name, model_class):
          from composite_field.base import CompositeField
          model_field = model_class._meta.get_field(field_name)
          if isinstance(model_field, CompositeField):
              field_class = CompositeFieldSerializer
              field_kwargs = {}
              return field_class, field_kwargs
          return super(CompositeFieldModelSerializerMixin, self) \
                  .build_property_field(field_name, model_class)
  
  
  class ModelSerializer(CompositeFieldModelSerializerMixin, serializers.ModelSerializer):
      pass
  
subject: Add django-rest-framework serializer support