code: public void registerKvState(KeyGroupRange keyGroupRange, String registrationName, InternalKvState<?, ?, ?> kvState) {
  		KvStateID kvStateId = registry.registerKvState(jobId, jobVertexId, keyGroupRange, registrationName, kvState);
  		registeredKvStates.add(new KvStateInfo(keyGroupRange, registrationName, kvStateId));
  	}
docs: Registers the KvState instance at the KvStateRegistry.
  
  @param keyGroupRange    Key group range the KvState instance belongs to
  @param registrationName The registration name (not necessarily the same
  as the KvState name defined in the state
  descriptor used to create the KvState instance)
  @param kvState          The