static final Failure FALLBACK_INSTANCE =
        new Failure(
            new Throwable("Failure occurred while trying to finish a future.") {
              @Override
              public Throwable fillInStackTrace() {
                return this; // no stack trace
              }
            });
    final Throwable exception;

    Failure(Throwable exception) {
      this.exception = checkNotNull(exception);

PLkotlinx/coroutines/JobCancellationException;->equals(Ljava/lang/Object;)Z
PLkotlinx/coroutines/JobCancellationException;->fillInStackTrace()Ljava/lang/Throwable;
PLkotlinx/coroutines/JobImpl;->getOnCancelComplete$kotlinx_coroutines_core()Z