extern void btsnd_hcic_get_link_quality(uint16_t handle); /* Get Link Quality */
extern void btsnd_hcic_read_rssi(uint16_t handle); /* Read RSSI */
+using ReadEncKeySizeCb = base::Callback<void(uint8_t, uint16_t, uint8_t)>;
+extern void btsnd_hcic_read_encryption_key_size(uint16_t handle,
+ ReadEncKeySizeCb cb);
extern void btsnd_hcic_read_failed_contact_counter(uint16_t handle);
extern void btsnd_hcic_read_automatic_flush_timeout(uint16_t handle);
extern void btsnd_hcic_enable_test_mode(