| A | ↛ | Foo removed |
| ⇢ | A | ThreadPool::startWorker() added | |
| ⇢ | A | ThreadPool::removeWorker() added | |
| ⇢ | A | ThreadPool::stopPool() added | |
| ⇢ | A | ThreadPool::isPoolStarted() added | |
| ⇢ | A | ThreadPool::startPool() added | |
| A | ↛ | Foo::bar() removed | |
| A | ↛ | ThreadPool::startWorkers() removed |