   public static let fontFilename = "filename"
   public static let fontName = "fontname"
   public static let fontRegistered = "fontregistered"
-  public static let keyboardFilename = "filename"
-  public static let keyboardModified = "lastModified"
-  public static let keyboardRTL = "rtl"
   public static let keyboardInfo = "keyboardInfo"
-  public static let customKeyboard = "CustomKeyboard"
 
   /// Array of user keyboards info list in UserDefaults
   public static let userKeyboardsList = "UserKeyboardsList"

//

public struct Key {
  // Common dictionary keys when handling language/keyboard info
  public static let id = "id"
  public static let name = "name"
  // If there is no value for this key, revert to IdKey
  public static let keyboardId = "kbId"
  // If there is no value for this key, revert to IdKey
  public static let languageId = "langId"
  // If there is no value for this key, revert to NameKey
  public static let keyboardName = "kbName"
  // If there is no value for this key, revert to NameKey
  public static let languageName = "langName"
  // If there is no value for this key, revert to NameKey
  public static let keyboardVersion = "version"
  public static let keyboard = "keyboard"
  public static let languageKeyboards = "keyboards"
  public static let keyboardFileSize = "fileSize"
  // If there is no value for this key, revert to KeyboardFileSizeKey
  public static let keyboardGZipFileSize = "fileSizeGzip"
  public static let font = "font"
  public static let oskFont = "oskFont"
  public static let fontFamily = "family"
  public static let fontSource = "source"
  public static let fontFiles = "files"

  // TODO: Check if it matches with the key in Keyman Cloud API
  static let keyboardCopyright = "copyright"
  static let languages = "languages"

  // Other keys
  static let update = "update"
