extern const char * const AUXILLARY_IMAGE_ALPHA_NAME;
extern const char * const PLAY_RANGE_NAME;
extern const char * const PLAY_STATE_NAME;
-extern const char * const CURRENT_PROGRESS_NAME;
+extern const char * const CURRENT_FRAME_NUMBER_NAME;
+extern const char * const TOTAL_FRAME_NUMBER_NAME;
+extern const char * const STOP_BEHAVIOR_NAME;
+extern const char * const LOOPING_MODE_NAME;
// Text visual
extern const char * const TEXT_PROPERTY;