-void matrix_init_user(void);
-void matrix_scan_user(void);
-bool process_action_user(keyrecord_t *record);
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-void led_set_user(uint8_t usb_led);
-void backlight_init_ports(void);
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-void breathing_enable(void);
-void breathing_pulse(void);
-void breathing_disable(void);
-void breathing_self_disable(void);
-void breathing_toggle(void);
-bool is_breathing(void);
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-void breathing_defaults(void);
-void breathing_intensity_default(void);
-void breathing_speed_default(void);
-void breathing_speed_set(uint8_t value);
-void breathing_speed_inc(uint8_t value);
-void breathing_speed_dec(uint8_t value);
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