public Builder clear() {
        super.clear();
        id_ = 0;
        bitField0_ = (bitField0_ & ~0x00000001);
        if (positionBuilder_ == null) {
          position_ = org.bwapi.proxy.messages.BasicTypes.Position.getDefaultInstance();
        } else {
          positionBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000002);
        if (tilePositionBuilder_ == null) {
          tilePosition_ = org.bwapi.proxy.messages.BasicTypes.TilePosition.getDefaultInstance();
        } else {
          tilePositionBuilder_.clear();
        }
        bitField0_ = (bitField0_ & ~0x00000004);
        region_ = 0;
        bitField0_ = (bitField0_ & ~0x00000008);
        numMinerals_ = 0;
        bitField0_ = (bitField0_ & ~0x00000010);
        numGas_ = 0;
        bitField0_ = (bitField0_ & ~0x00000020);
        if (mineralsBuilder_ == null) {
          minerals_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000040);
        } else {
          mineralsBuilder_.clear();
        }
        if (staticMineralsBuilder_ == null) {
          staticMinerals_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000080);
        } else {
          staticMineralsBuilder_.clear();
        }
        if (geysersBuilder_ == null) {
          geysers_ = java.util.Collections.emptyList();
          bitField0_ = (bitField0_ & ~0x00000100);
        } else {
          geysersBuilder_.clear();
        }
        island_ = false;
        bitField0_ = (bitField0_ & ~0x00000200);
        mineralOnly_ = false;
        bitField0_ = (bitField0_ & ~0x00000400);
        startLocation_ = false;
        bitField0_ = (bitField0_ & ~0x00000800);
        return this;
      }