|   | Class | Description | 
  | CommandItemLayout  | Provides the serializable data required for laying out a CommandBar component Command. | 
  | CommandItemLayoutCollection  | Provides the serializable data for the collection of CommandBarLayouts. | 
  | CommandLayout  | Provides the serializable data required for laying out a Command object. | 
  | CommandLayoutCollection  | Provides the serializable data for the collection of commands. | 
  | CreateDataItem  | Provides a serializable version of the constructor parameter information. | 
  | LicenseLayout  | Provides the serializable data required for specifying an application license. | 
  | LicenseLayoutCollection  | Provides the serializable data for the collection of LicenseLayout objects. |