private void MaybeInitBuilder()
 {
     lock (this)
     {
         if (builder == null || viaProto)
         {
             builder = YarnServerNodemanagerServiceProtos.ResourceLocalizationSpecProto.NewBuilder
                           (proto);
         }
         viaProto = false;
     }
 }
 public ResourceLocalizationSpecPBImpl()
 {
     builder = YarnServerNodemanagerServiceProtos.ResourceLocalizationSpecProto.NewBuilder
                   ();
 }