docs: public FailureDetectorConfig setCluster(Cluster cluster) {
          Utils.notNull(cluster);
          this.cluster = cluster;
          /*
           * FIXME: this is the hacky way to refresh the admin connection
           * verifier, but it'll just work. The clean way to do so is to have a
           * centralized metadata management, and all references of cluster object
           * point to that.
           */
          if(this.connectionVerifier instanceof AdminConnectionVerifier) {
              ((AdminConnectionVerifier) connectionVerifier).setCluster(cluster);
          }
          return this;
      }