Method \ClickHouseDB\Type\UInt64::fromString() does not have return type hint for its return value but it should be possible to add it based on @return annotation "self".
Method \ClickHouseDB\Type\UInt64::getValue() does not have return type hint for its return value but it should be possible to add it based on @return annotation "string".
Method \ClickHouseDB\Type\UInt64::__toString() does not have return type hint for its return value but it should be possible to add it based on @return annotation "string".