The link is a link to a sticker set. Call searchStickerSet with the given sticker set name to process the link and show
the sticker set. If the sticker set is found and the user wants to add it, then call changeStickerSet.
Subtype of InternalLinkType.
The link is a link to a sticker set. Call searchStickerSet with the given sticker set name to process the link and show the sticker set. If the sticker set is found and the user wants to add it, then call changeStickerSet. Subtype of InternalLinkType.