Determine that there are no exclusion criterion in play

        :return: True if there is no real boundary specification of any kind.

        Simple method allowing parsers to short circuit the determination of
        missingness, which can be moderately compute intensive.

def NoExclusions(self):
        """Determine that there are no exclusion criterion in play

        :return: True if there is no real boundary specification of any kind.

        Simple method allowing parsers to short circuit the determination of
        missingness, which can be moderately compute intensive.
        """
        if len(self.start_bounds) + len(self.target_rs) + len(self.ignored_rs) == 0:
            return BoundaryCheck.chrom == -1
        return False