4.0.0 com.android.tools annotations 30.1.0-alpha06 annotations used throughout the Android tools libraries. http://tools.android.com/ com.android.tools.annotations The Apache Software License, Version 2.0 http://www.apache.org/licenses/LICENSE-2.0.txt repo The Android Open Source Project git://android.googlesource.com/platform/tools/base.git https://android.googlesource.com/platform/tools/base