Bluetooth Proxy active connections (#3817)

esphome/components/esp32_ble_client/ble_descriptor.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#ifdef USE_ESP32
+
+#include "esphome/components/esp32_ble_tracker/esp32_ble_tracker.h"
+
+namespace esphome {
+namespace esp32_ble_client {
+
+namespace espbt = esphome::esp32_ble_tracker;
+
+class BLECharacteristic;
+
+class BLEDescriptor {
+ public:
+  espbt::ESPBTUUID uuid;
+  uint16_t handle;
+
+  BLECharacteristic *characteristic;
+};
+
+}  // namespace esp32_ble_client
+}  // namespace esphome
+
+#endif  // USE_ESP32