this.delegate = Preconditions.checkNotNull(delegateTx, "Delegate must not be null");
this.codec = Preconditions.checkNotNull(codec, "Codec must not be null");
}
this.delegate = Preconditions.checkNotNull(delegateTx, "Delegate must not be null");
this.codec = Preconditions.checkNotNull(codec, "Codec must not be null");
}