private void MaybeInitBuilder()
 {
     if (viaProto || builder == null)
     {
         builder = YarnProtos.PreemptionContainerProto.NewBuilder(proto);
     }
     viaProto = false;
 }
 public PreemptionContainerPBImpl()
 {
     builder = YarnProtos.PreemptionContainerProto.NewBuilder();
 }