docs: public static PlanExecutor createLocalExecutor(Configuration configuration) {
  		Class<? extends PlanExecutor> leClass = loadExecutorClass(LOCAL_EXECUTOR_CLASS);
  		
  		try {
  			return leClass.getConstructor(Configuration.class).newInstance(configuration);
  		}
  		catch (Throwable t) {
  			throw new RuntimeException("An error occurred while loading the local executor ("
  					+ LOCAL_EXECUTOR_CLASS + ").", t);
  		}
  	}