src/Configuration/Option/Commands.php
public function filter(OptionsInterface $options, $value)
    {
        if (is_callable($value)) {
            $value = call_user_func($value, $options);
        }

        if (is_array($value)) {
            $commands = $this->getDefault($options);

            foreach ($value as $commandID => $classFQN) {
                $commands->defineCommand($commandID, $classFQN);
            }

            return $commands;
        }

        if (!$value instanceof FactoryInterface) {
            $class = get_called_class();

            throw new \InvalidArgumentException("$class expects a valid command factory");
        }

        return $value;
    }
public function filter(OptionsInterface $options, $value)
    {
        if (is_callable($value)) {
            $value = call_user_func($value, $options);
        }

        if (is_array($value)) {
            $commands = $this->getDefault($options);

            foreach ($value as $commandID => $classFQN) {
                $commands->defineCommand($commandID, $classFQN);
            }

            return $commands;
        }

        if (!$value instanceof FactoryInterface) {
            $class = get_called_class();

            throw new \InvalidArgumentException("$class expects a valid command factory");
        }

        return $value;
    }
{@inheritdoc}