# File lib/rubyrep/replicators/two_way_replicator.rb, line 79
      def verify_option(table_spec, valid_option_values, option_key, option_value)
        unless valid_option_values.include? option_value
          message = ""
          message << "#{table_spec.inspect}: " if table_spec
          message << "#{option_value.inspect} not a valid #{option_key.inspect} option"
          raise ArgumentError.new(message)
        end
      end