class Shoulda::Matchers::ActiveModel::ValidateExclusionOfMatcher

def does_not_match?(subject)
  super(subject)
  if @range
    disallows_lower_value ||
      allows_minimum_value ||
      allows_maximum_value ||
      disallows_higher_value
  elsif @array
    allows_any_values_in_array?
  end
end