public Builder addGeysers(
          org.bwapi.proxy.messages.GameMessages.UnitId.Builder builderForValue) {
        if (geysersBuilder_ == null) {
          ensureGeysersIsMutable();
          geysers_.add(builderForValue.build());
          onChanged();
        } else {
          geysersBuilder_.addMessage(builderForValue.build());
        }
        return this;
      }