public function addFluentCommands(Grammar $grammar)
    {
        foreach ($this->columns as $column) {
            foreach ($grammar->getFluentCommands() as $commandName) {
                $attributeName = lcfirst($commandName);

                if (! isset($column->{$attributeName})) {
                    continue;
                }

                $value = $column->{$attributeName};

                $this->addCommand(
                    $commandName, compact('value', 'column')
                );
            }
        }
    }