private com.google.protobuf.SingleFieldBuilder<
          org.bwapi.proxy.messages.BasicTypes.Position, org.bwapi.proxy.messages.BasicTypes.Position.Builder, org.bwapi.proxy.messages.BasicTypes.PositionOrBuilder> 
          getRallyPositionFieldBuilder() {
        if (rallyPositionBuilder_ == null) {
          rallyPositionBuilder_ = new com.google.protobuf.SingleFieldBuilder<
              org.bwapi.proxy.messages.BasicTypes.Position, org.bwapi.proxy.messages.BasicTypes.Position.Builder, org.bwapi.proxy.messages.BasicTypes.PositionOrBuilder>(
                  rallyPosition_,
                  getParentForChildren(),
                  isClean());
          rallyPosition_ = null;
        }
        return rallyPositionBuilder_;
      }