Variable example

return sprintf(" [%s, '%s'](\$%s);\n", $this->dumpValue($callable[0]), $callable[1], $variableName);
        }

        return sprintf(" %s(\$%s);\n", $callable, $variableName);
    }

    private function addService(string $id, Definition $definition): array
    {
        $this->definitionVariables = new \SplObjectStorage();
        $this->referenceVariables = [];
        $this->variableCount = 0;
        $this->referenceVariables[$id] = new Variable('instance');

        $return = [];

        if ($class = $definition->getClass()) {
            $class = $class instanceof Parameter ? '%'.$class.'%' : $this->container->resolveEnvPlaceholders($class);
            $return[] = sprintf(str_starts_with($class, '%') ? '@return object A %1$s instance' : '@return \%s', ltrim($class, '\\'));
        } elseif ($definition->getFactory()) {
            $factory = $definition->getFactory();
            if (\is_string($factory)) {
                $return[] = sprintf('@return object An instance returned by %s()', $factory);
            } elseif (\is_array($factory) && (\is_string($factory[0]) || $factory[0] instanceof Definition || $factory[0] instanceof Reference)) {