This function is used internally by foreach::foreach to retrieve
information about the registered foreach::%dopar% operator
implementation. More specifically, this function is called by
foreach::getDoParName(), foreach::getDoParRegistered(),
foreach::getDoParVersion(), and foreach::getDoParWorkers().
parabarInfo(data, item)The requested information item.
An object of class parabar::Backend representing the backend
used for the foreach::%dopar% operator implementation.
A character string specifying the information item to be
retrieved about the registered foreach::%dopar% operator implementation.