+#if !defined(NO_ACTION_LAYER) && !defined(STRICT_LAYER_RELEASE)
+extern bool disable_action_cache;
+#endif
+
+/* Code for handling one-handed key modifiers. */
+#ifdef SWAP_HANDS_ENABLE
+extern bool swap_hands;
+extern const keypos_t hand_swap_config[MATRIX_ROWS][MATRIX_COLS];
+#if (MATRIX_COLS <= 8)
+typedef uint8_t swap_state_row_t;
+#elif (MATRIX_COLS <= 16)
+typedef uint16_t swap_state_row_t;
+#elif (MATRIX_COLS <= 32)
+typedef uint32_t swap_state_row_t;
+#else
+#error "MATRIX_COLS: invalid value"
+#endif
+
+void process_hand_swap(keyevent_t *record);
+#endif
+
+void process_record_nocache(keyrecord_t *record);
+void process_record(keyrecord_t *record);
+void process_action(keyrecord_t *record, action_t action);