* Executes the worker choice strategy in the context algorithm.
*
* @returns The key of the worker node.
- * @throws {@link https://nodejs.org/api/errors.html#class-error} If the worker node key is null or undefined.
+ * @throws {@link https://nodejs.org/api/errors.html#class-error} If after configured retries the worker node key is null or undefined .
*/
public execute (): number {
const workerNodeKey = (