1-keep class com.android.providers.contacts.ContactsDatabaseHelper {
2  <init>(...);
3}
4
5-keep class com.android.vcard.VCardComposer {
6  boolean init();
7  int getCount();
8}
9
10# Any class or method annotated with NeededForTesting.
11-keep @com.android.providers.contacts.util.NeededForTesting class *
12-keepclassmembers class * {
13@com.android.providers.contacts.util.NeededForTesting *;
14}
15
16-verbose