src/ServiceArguments.php
private function addArgument($argumentValue, int $argumentType) : ServiceArguments
    {
        $this->arguments[] = [$argumentValue, $argumentType]; return $this;
    }
private function addArgument($argumentValue, int $argumentType) : ServiceArguments
    {
        $this->arguments[] = [$argumentValue, $argumentType]; return $this;
    }
Add a service argument of type

@param mixed             $argumentValue
@param int               $argumentType
@return self