def to_array(self):
        """
        Serializes this StickerSet to a dictionary.

        :return: dictionary representation of this object.
        :rtype: dict
        """
        array = super(StickerSet, self).to_array()
        array['name'] = u(self.name)  # py2: type unicode, py3: type str

        array['title'] = u(self.title)  # py2: type unicode, py3: type str

        array['contains_masks'] = bool(self.contains_masks)  # type bool
        array['stickers'] = self._as_array(self.stickers)  # type list of Sticker

        return array