+/**
+ * get value from selected constants.
+ * @param[in] env JNI interface pointer.
+ * @param[in] classType class type
+ * @param[in] name constants name to get.
+ * @return remote address.
+ */
+jint CALEGetConstantsValue(JNIEnv *env, const char* classType, const char* name);
+
+/**
+ * get bluetooth device object from bluetooth adapter.
+ * @param[in] env JNI interface pointer.
+ * @param[in] address bluetooth address.
+ * @return bluetooth device object.
+ */
+jobject CALEGetRemoteDevice(JNIEnv *env, jstring address);
+
+/**
+ * get address from gatt profile object.
+ * @param[in] env JNI interface pointer.
+ * @param[in] gatt gatt profile object.
+ * @return LE address.
+ */
+jstring CALEGetAddressFromGatt(JNIEnv *env, jobject gatt);
+