* void (*AccessibleEventListenerCB) (AccessibleEvent *event);
*
* SPIBoolean (*AccessibleKeystrokeListenerCB) (AccessibleKeystrokeEvent *Event);
+ * Note that AccessibleKeystrokeListeners may consume the event received
+ * if one of their callbacks returns TRUE (see SPI_registerAccessibleKeystrokeListener)
*/
typedef void (*AccessibleEventListenerCB) (const AccessibleEvent *event,
void *user_data);