kotlinx.coroutines.Job -> vj3:
# {"id":"sourceFile","fileName":"Job.kt"}
    java.lang.Object join(kotlin.coroutines.Continuation) -> H0
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Lgc1;)Ljava/lang/Object;"}
    java.util.concurrent.CancellationException getCancellationException() -> I
    kotlinx.coroutines.selects.SelectClause0 getOnJoin() -> a0
      # {"id":"com.android.tools.r8.residualsignature","signature":"()Lbi4;"}
    boolean isCancelled() -> isCancelled
    boolean isActive() -> k
    void cancel(java.util.concurrent.CancellationException) -> o
    kotlinx.coroutines.DisposableHandle invokeOnCompletion(kotlin.jvm.functions.Function1) -> s0
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Lop2;)Luw1;"}
    boolean start() -> start
    kotlinx.coroutines.DisposableHandle invokeOnCompletion(boolean,boolean,kotlin.jvm.functions.Function1) -> t
      # {"id":"com.android.tools.r8.residualsignature","signature":"(ZZLop2;)Luw1;"}
    kotlinx.coroutines.ChildHandle attachChild(kotlinx.coroutines.ChildJob) -> y
      # {"id":"com.android.tools.r8.residualsignature","signature":"(Lik3;)Lns0;"}
