code: public HazelcastInstance getHazelcastInstance() {
  		if (StringUtils.hasText(this.clientConfig.getInstanceName())) {
  			return HazelcastClient
  					.getHazelcastClientByName(this.clientConfig.getInstanceName());
  		}
  		return HazelcastClient.newHazelcastClient(this.clientConfig);
  	}
docs: Get the {@link HazelcastInstance}.
  @return the {@link HazelcastInstance}