@Override
    public String toString() {
        return "ReplicaInfo(" +
                "size=" + size +
                ", offsetLag=" + offsetLag +
                ", isFuture=" + isFuture +
                ')';
    }
Whether this replica has been created by a AlterReplicaLogDirsRequest
but not yet replaced the current replica on the broker.

@return true if this log is created by AlterReplicaLogDirsRequest and will replace the current log
of the replica at some time in the future.
clients/src/main/java/org/apache/kafka/clients/admin/ReplicaInfo.java