public Builder addStaticNeutralUnits(
          int index, org.bwapi.proxy.messages.GameMessages.UnitId.Builder builderForValue) {
        if (staticNeutralUnitsBuilder_ == null) {
          ensureStaticNeutralUnitsIsMutable();
          staticNeutralUnits_.add(index, builderForValue.build());
          onChanged();
        } else {
          staticNeutralUnitsBuilder_.addMessage(index, builderForValue.build());
        }
        return this;
      }