public function prepend($prefix): Utility
    {
        return new static(new static($prefix, $this->encoding) . $this->string, $this->encoding);
    }
public function prepend($prefix): Utility
    {
        return new static(new static($prefix, $this->encoding) . $this->string, $this->encoding);
    }
public function prepend ( $ prefix ) : Utility { return new static ( new static ( $ prefix , $ this -> encoding ) . $ this -> string , $ this -> encoding ) ; }
Prepend the string with a given value

@param string $prefix

@return $this
Prepend the string with a given value