class RSpec::Matchers::BuiltIn::ContainExactly::PairingsMaximizer

def initialize(expected_to_actual_matched_indexes, actual_to_expected_matched_indexes)
  @expected_to_actual_matched_indexes = expected_to_actual_matched_indexes
  @actual_to_expected_matched_indexes = actual_to_expected_matched_indexes
  unmatched_expected_indexes, indeterminate_expected_indexes =
    categorize_indexes(expected_to_actual_matched_indexes, actual_to_expected_matched_indexes)
  unmatched_actual_indexes, indeterminate_actual_indexes =
    categorize_indexes(actual_to_expected_matched_indexes, expected_to_actual_matched_indexes)
  @solution = Solution.new(unmatched_expected_indexes,     unmatched_actual_indexes,
                           indeterminate_expected_indexes, indeterminate_actual_indexes)
end