docs: @Bean
  	@ConditionalOnMissingBean(ZookeeperHealthIndicator.class)
  	@ConditionalOnBean(CuratorFramework.class)
  	@ConditionalOnEnabledHealthIndicator("zookeeper")
  	public ZookeeperHealthIndicator zookeeperHealthIndicator(CuratorFramework curator) {
  		return new ZookeeperHealthIndicator(curator);
  	}