protected function getClasses(string $option, string $separator = ' '): string
    {
        return implode($separator, $this->getOption($option));
    }
protected function getClasses(string $option, string $separator = ' '): string
    {
        return implode($separator, $this->getOption($option));
    }
protected function getClasses ( string $ option , string $ separator = ' ' ) : string { return implode ( $ separator , $ this -> getOption ( $ option ) ) ; }
Get the imploded classes for the given option.

@param string $option The option where to get the classes from.
@param string $separator The separator used by the implode function.

@return string
Get the imploded classes for the given option .