code: def r_annotations(self):
          
  
          target = request.args.get("target", None)
          wildcard = request.args.get("wildcard", ".", type=str)
          include = request.args.get("include")
          exclude = request.args.get("exclude")
          limit = request.args.get("limit", None, type=int)
          start = request.args.get("start", 1, type=int)
          expand = request.args.get("expand", False, type=bool)
  
          if target:
  
              try:
                  urn = MyCapytain.common.reference.URN(target)
              except ValueError:
                  return "invalid urn", 400
  
              count, annotations = self.__queryinterface__.getAnnotations(urn, wildcard=wildcard, include=include,
                                                                          exclude=exclude, limit=limit, start=start,
                                                                          expand=expand)
          else:
              #  Note that this implementation is not done for too much annotations
              #  because we do not implement pagination here
              count, annotations = self.__queryinterface__.getAnnotations(None, limit=limit, start=start, expand=expand)
          mapped = []
          response = {
              "@context": type(self).JSONLD_CONTEXT,
              "id": url_for(".r_annotations", start=start, limit=limit),
              "type": "AnnotationCollection",
              "startIndex": start,
              "items": [
              ],
              "total": count
          }
          for a in annotations:
              mapped.append({
                  "id": url_for(".r_annotation", sha=a.sha),
                  "body": url_for(".r_annotation_body", sha=a.sha),
                  "type": "Annotation",
                  "target": a.target.to_json(),
                  "dc:type": a.type_uri,
                  "owl:sameAs": [a.uri],
                  "nemo:slug": a.slug
              })
          response["items"] = mapped
          response = jsonify(response)
          return response
docs: Route to retrieve annotations by target
  
          :param target_urn: The CTS URN for which to retrieve annotations  
          :type target_urn: str
          :return: a JSON string containing count and list of resources
          :rtype: {str: Any}