kotlin.sequences.ConstrainedOnceSequence -> k40:
# {"id":"sourceFile","fileName":"SequencesJVM.kt"}
    java.util.concurrent.atomic.AtomicReference sequenceRef -> a
    1:3:void <init>(kotlin.sequences.Sequence):19:19 -> <init>
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Lcj2;)V"}
    4:11:void <init>(kotlin.sequences.Sequence):20:20 -> <init>
    1:11:java.util.Iterator iterator():23:23 -> iterator
    12:16:java.util.Iterator iterator():24:24 -> iterator
    17:22:java.util.Iterator iterator():23:23 -> iterator
