Build for the lowest common denominator in a fleet (which is probably v3 or v4 by now)
第四十条 船舶发生海上事故，危及在船人员和财产安全时，船长应当组织船员和其他在船人员尽力施救。在船舶沉没、毁灭不可避免的情况下，船长有权作出弃船决定。
。夫子是该领域的重要参考
In TypeScript, conditional types are formed like:
hardly ever use debuggers with Rust - but you can!
self._queue = queue