如何使用UIImage而不是URL初始化MSSticker？

guard let stickerImage = UIImage(named: "stickerImage") else {
    return
}

guard let stickerData = UIImagePNGRepresentation(stickerImage) else {
    return
}

let fileManager = FileManager.default
let documentsDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first!

let stickerURL = documentsDirectory.appendingPathComponent("sticker.png")

do {
    try stickerData.write(to: stickerURL)
    let sticker = try MSSticker(contentsOfFileURL: stickerURL, localizedDescription: "Sticker")
    // 使用MSSticker对象进行后续操作
} catch {
    print("Failed to create sticker: \(error)")
}