@Override public void serializeStateData(final OutputStream stream) throws IOException { super.serializeStateData(stream); MasterProcedureProtos.CreateNamespaceStateData.Builder createNamespaceMsg = MasterProcedureProtos.CreateNamespaceStateData.newBuilder() .setNamespaceDescriptor(ProtobufUtil.toProtoNamespaceDescriptor(this.nsDescriptor)); createNamespaceMsg.build().writeDelimitedTo(stream); }