private void mergeLocalToProto() {
   if (viaProto) maybeInitBuilder();
   mergeLocalToBuilder();
   proto = builder.build();
   viaProto = true;
 }
 public KillJobRequestProto getProto() {
   mergeLocalToProto();
   proto = viaProto ? proto : builder.build();
   viaProto = true;
   return proto;
 }