# File lib/aws/record/validators/count.rb, line 28
      def setup record_class
        ensure_at_least_one(:within, :exactly, :minimum, :maximum)
        ensure_exclusive(:within, :exactly, [:minimum, :maximum])
        ensure_type(Range, :within)
        ensure_type(Integer, :exactly, :minimum, :maximum)
        ensure_type(String, :too_many, :too_few, :wrong_number)
      end