- * Finds a free worker node key based on the number of tasks the worker has applied.
- *
- * If a worker is found with `0` running tasks, it is detected as free and its worker node key is returned.
- *
- * If no free worker is found, `-1` is returned.
- *
- * @returns A worker node key if there is one, `-1` otherwise.
- */
- findFreeWorkerNodeKey: () => number
- /**
- * Executes the function specified in the constructor with the task data input parameter.