text: import django_filters
  import graphene
  from graphene_django import DjangoObjectType
  from graphene_django.filter import DjangoFilterConnectionField
  
  from .models import Link
  
  
  class LinkFilter(django_filters.FilterSet):
      class Meta:
          model = Link
          fields = ["url", "description"]
  
  
  class LinkNode(DjangoObjectType):
      class Meta:
          model = Link
          interfaces = (graphene.relay.Node,)
  
  
  class Query(graphene.ObjectType):
      link = graphene.relay.Node.Field(LinkNode)
      links = DjangoFilterConnectionField(LinkNode, filterset_class=LinkFilter)
  