docs: def is_excluded(self, cid, pod_uid=None):
          """
          Queries the agent6 container filter interface. It retrieves container
          name + image from the podlist, so static pod filtering is not supported.
  
          Result is cached between calls to avoid the python-go switching cost for
          prometheus metrics (will be called once per metric)
          :param cid: container id
          :param pod_uid: pod UID for static pod detection
          :return: bool
          """
          if not cid:
              return True
  
          if cid in self.cache:
              return self.cache[cid]
  
          if pod_uid and pod_uid in self.static_pod_uids:
              self.cache[cid] = False
              return False
  
          if cid not in self.containers:
              # Filter out metrics not coming from a container (system slices)
              self.cache[cid] = True
              return True
          ctr = self.containers[cid]
          if not ("name" in ctr and "image" in ctr):
              # Filter out invalid containers
              self.cache[cid] = True
              return True
  
          excluded = is_excluded(ctr.get("name"), ctr.get("image"))
          self.cache[cid] = excluded
          return excluded