+#include "process_tap_dance.h"
+
+#ifdef PRINTING_ENABLE
+ #include "process_printer.h"
+#endif
+
+#ifdef AUTO_SHIFT_ENABLE
+ #include "process_auto_shift.h"
+#endif
+
+#ifdef COMBO_ENABLE
+ #include "process_combo.h"
+#endif
+
+#ifdef KEY_LOCK_ENABLE
+ #include "process_key_lock.h"
+#endif
+
+#ifdef TERMINAL_ENABLE
+ #include "process_terminal.h"
+#else
+ #include "process_terminal_nop.h"
+#endif
+
+#define STRINGIZE(z) #z
+#define ADD_SLASH_X(y) STRINGIZE(\x ## y)
+#define SYMBOL_STR(x) ADD_SLASH_X(x)
+
+#define SS_TAP(keycode) "\1" SYMBOL_STR(keycode)
+#define SS_DOWN(keycode) "\2" SYMBOL_STR(keycode)
+#define SS_UP(keycode) "\3" SYMBOL_STR(keycode)
+
+#define SS_LCTRL(string) SS_DOWN(X_LCTRL) string SS_UP(X_LCTRL)
+#define SS_LGUI(string) SS_DOWN(X_LGUI) string SS_UP(X_LGUI)
+#define SS_LALT(string) SS_DOWN(X_LALT) string SS_UP(X_LALT)
+
+#define SEND_STRING(str) send_string_P(PSTR(str))
+extern const bool ascii_to_shift_lut[0x80];
+extern const uint8_t ascii_to_keycode_lut[0x80];
+void send_string(const char *str);
+void send_string_with_delay(const char *str, uint8_t interval);
+void send_string_P(const char *str);
+void send_string_with_delay_P(const char *str, uint8_t interval);
+void send_char(char ascii_code);
+
+// For tri-layer
+void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3);
+
+void set_single_persistent_default_layer(uint8_t default_layer);
+
+void tap_random_base64(void);
+
+#define IS_LAYER_ON(layer) (layer_state & (1UL << (layer)))
+#define IS_LAYER_OFF(layer) (~layer_state & (1UL << (layer)))
+