def validated_value(self, raw_value):
        """Return parsed parameter value and run validation handlers.

        Error message included in exception will be included in http error
        response

        Args:
            value: raw parameter value to parse validate

        Returns:
            None

        Note:
            Concept of validation for params is understood here as a process
            of checking if data of valid type (successfully parsed/processed by
            ``.value()`` handler) does meet some other constraints
            (lenght, bounds, uniqueness, etc.). It will internally call its
            ``value()`` handler.

        """
        value = self.value(raw_value)
        try:
            for validator in self.validators:
                validator(value)
        except:
            raise
        else:
            return value
Return parsed parameter value and run validation handlers.

        Error message included in exception will be included in http error
        response

        Args:
            value: raw parameter value to parse validate

        Returns:
            None

        Note:
            Concept of validation for params is understood here as a process
            of checking if data of valid type (successfully parsed/processed by
            ``.value()`` handler) does meet some other constraints
            (lenght, bounds, uniqueness, etc.). It will internally call its
            ``value()`` handler.