-keepclassmembers class com.shield.android.internal.NativeUtils** {
    *;
}
-keep class com.google.android.gms.** { *; }
#-keep class com.android.apksig.internal.** { *; }
-keep class com.shield.apksig.internal.** { *; }
-keep class com.shield.android.** { *; }