com.ustadmobile.libcache.UstadCacheImpl$removeRetentionLocks$1 -> r28:
# {"id":"sourceFile","fileName":"UstadCacheImpl.kt"}
    java.lang.Object L$2 -> h0
      # {"id":"com.android.tools.r8.residualsignature","signature":"Ljava/util/Iterator;"}
    java.lang.Object result -> i0
    com.ustadmobile.libcache.UstadCacheImpl this$0 -> j0
      # {"id":"com.android.tools.r8.residualsignature","signature":"Lx28;"}
    int label -> k0
    1:6:void <init>(com.ustadmobile.libcache.UstadCacheImpl,kotlin.coroutines.Continuation):0:0 -> <init>
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Lx28;Lgc1;)V"}
    1:17:java.lang.Object invokeSuspend(java.lang.Object):0:0 -> s
