@CheckReturnValue
    @NonNull
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Completable onErrorResumeNext(final Function<? super Throwable, ? extends CompletableSource> errorMapper) {
        ObjectHelper.requireNonNull(errorMapper, "errorMapper is null");
        return RxJavaPlugins.onAssembly(new CompletableResumeNext(this, errorMapper));
    }