Application This class represents an application.
 Dialogs This class contains a number of utility functions to display various dialog boxes.
 DockItem The dock item is the main Appetizer object.
 Global The functions and objects of this special class are accessible from anywhere in Lua.
 Menu This class can be used to display a context menus via the popupMenu() function of some objects.
 MenuItem Menu items are used in conjunction with the Menu class to build menus.
 OptionButton Option buttons are displayed on the option panel.
 OptionPanel The class represents the small panel that shows up when the user clicks on the arrow button.
 Plugin Represents a plugin object.
 Preferences Preferences provide a persitent data storage for plugins.
 System This class provides some system utility functions.