public Builder mergeDynamicTerrainInfo(org.bwapi.proxy.messages.TerrainMessages.DynamicTerrainInfo value) {
        if (dynamicTerrainInfoBuilder_ == null) {
          if (((bitField0_ & 0x04000000) == 0x04000000) &&
              dynamicTerrainInfo_ != org.bwapi.proxy.messages.TerrainMessages.DynamicTerrainInfo.getDefaultInstance()) {
            dynamicTerrainInfo_ =
              org.bwapi.proxy.messages.TerrainMessages.DynamicTerrainInfo.newBuilder(dynamicTerrainInfo_).mergeFrom(value).buildPartial();
          } else {
            dynamicTerrainInfo_ = value;
          }
          onChanged();
        } else {
          dynamicTerrainInfoBuilder_.mergeFrom(value);
        }
        bitField0_ |= 0x04000000;
        return this;
      }