docs: private ExecutorConfig getOrFindExecutorConfig(String name) {
          ExecutorConfig cfg = executorConfigCache.get(name);
          if (cfg != null) {
              return cfg;
          } else {
              cfg = nodeEngine.getConfig().findExecutorConfig(name);
              ExecutorConfig executorConfig = executorConfigCache.putIfAbsent(name, cfg);
              return executorConfig == null ? cfg : executorConfig;
          }
      }