# File lib/aws/policy.rb, line 364
      def add(operator, key, *values)
        if operator.kind_of?(Symbol)
          converted_values = values.map { |v| convert_value(v) }
        else
          converted_values = values
        end
        operator = translate_operator(operator, values.first)
        op = (@conditions[operator] ||= {})
        raise "duplicate #{operator} conditions for #{key}" if op[key]
        op[translate_key(key)] = converted_values
      end