All information regarding the API
| EventBus | Class for managing different keyboard events. |
| FKInterfaceDelegate | KeyboardViewController delegate. |
| FKInterfaceKeyboardViewController | Interface KeyboardViewController. |
| FKKeyboardViewController | Main class from which you build the keyboard. |
| KeyboardConfiguration | Customise your own keyboard using this class. |
| FleksyManagedSettings | Class for adjusting the settings from the host app instead of the extension. |
| LanguagesHelper | Add, remove, and change languages used by the keyboard. |