protected function getValueAttribute(SimpleXMLElement $content, string $use, $default = null)
    {
        return $this->castValue($this->getRawValueAttribute($content, $use, $default));
    }
protected function getValueAttribute(SimpleXMLElement $content, string $use, $default = null)
    {
        return $this->castValue($this->getRawValueAttribute($content, $use, $default));
    }
protected function getValueAttribute ( SimpleXMLElement $ content , string $ use , $ default = null ) { return $ this -> castValue ( $ this -> getRawValueAttribute ( $ content , $ use , $ default ) ) ; }
Resolve value by uses as attribute.

@param  \SimpleXMLElement  $content
@param  string  $use
@param  mixed  $default

@return mixed
Resolve value by uses as attribute .