public function addOption(string $content, string $value)
    {
        $this->options[] = new Option($content, $value);

        return $this;
    }
public function addOption(string $content, string $value)
    {
        $this->options[] = new Option($content, $value);

        return $this;
    }
public function addOption ( string $ content , string $ value ) { $ this -> options [ ] = new Option ( $ content , $ value ) ; return $ this ; }
Adds an option to this OptionGroup.

@param string $content The text content of this option.
@param string $value   The value of this option.

@return static
Adds an option to this OptionGroup .