https://android.googlesource.com/platform/frameworks/base/+/3de09838fb0996bb4b420630800ad34e828fd1b6/telecomm/java/android/telecom/GatewayInfo.aidl?autodive=0%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F
telecomm/java/android/telecom/GatewayInfo.aidl - platform/frameworks/base - Git at Google
telecommjavaandroidgatewayinfoaidl