package android.support.v4.app;

public class AccessFragmentInternals {
    private AccessFragmentInternals() {
    }

    public static int getContainerId(Fragment fragment) {
        return fragment.mContainerId;
    }
}

@@ -33,16 +33,22 @@
 %0Apublic 
+final 
 class Ac
@@ -107,24 +107,75 @@
 ternals() %7B%0A
+        throw new AssertionError(%22No instances.%22);%0A
     %7D%0A%0A    p

Standardize util class