def getExpectedNumModels(self):
return -<NUM_LIT:1><EOL>
Computes the number of models that are expected to complete as part of
        this instances's HyperSearch.

        NOTE: This is compute-intensive for HyperSearches with a huge number of
        combinations.

        NOTE/TODO:  THIS ONLY WORKS FOR RONOMATIC: This method is exposed for the
                    benefit of perutations_runner.py for use in progress
                    reporting.

        Parameters:
        ---------------------------------------------------------
        retval:       The total number of expected models, if known; -1 if unknown