From [SmartCheck audit](https://tool.smartdec.net/scan/8784bdd9755c4c67afb2ce586ab03975): lines 144, 149, 154, 159, 164, 171, 176, 181, 188, 196, 204, 263, 264, 289, 292, 294, 295, 302, 304, 306, 482.