code: protected boolean useDynamicRefreshSources() {
  
          if (getClusterClientOptions() != null) {
              ClusterTopologyRefreshOptions topologyRefreshOptions = getClusterClientOptions().getTopologyRefreshOptions();
  
              return topologyRefreshOptions.useDynamicRefreshSources();
          }
          return true;
      }
docs: Returns {@literal true} if {@link ClusterTopologyRefreshOptions#useDynamicRefreshSources() dynamic refresh sources} are
  enabled.
  <p>
  Subclasses of {@link RedisClusterClient} may override that method.
  
  @return {@literal true} if dynamic refresh sources are used.
  @see ClusterTopologyRefreshOptions#useDynamicRefreshSources()