protected function normalizeValidatorMethodName($methodName)
    {
        $this->typeCheck->normalizeValidatorMethodName(func_get_args());

        if ('__' === substr($methodName, 0, 2)) {
            $methodName = sprintf(
                'validate%s',
                ucfirst(substr($methodName, 2))
            );
        }

        return $methodName;
    }
protected function normalizeValidatorMethodName($methodName)
    {
        $this->typeCheck->normalizeValidatorMethodName(func_get_args());

        if ('__' === substr($methodName, 0, 2)) {
            $methodName = sprintf(
                'validate%s',
                ucfirst(substr($methodName, 2))
            );
        }

        return $methodName;
    }
@param string $methodName

@return string