public KafkaFuture<Void> all() {
        return KafkaFuture.allOf(futures.values().toArray(new KafkaFuture[0]));
    }
Return a {@link KafkaFuture} which succeeds on {@link KafkaFuture#get()} if all the replica movement have succeeded.
if not, it throws an {@link Exception} described in {@link #values()} method.
clients/src/main/java/org/apache/kafka/clients/admin/AlterReplicaLogDirsResult.java