src/main/java/io/reactivex/Flowable.java
@CheckReturnValue
    @BackpressureSupport(BackpressureKind.FULL)
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Iterable<T> blockingIterable() {
        return blockingIterable(bufferSize());
    }
@CheckReturnValue
    @BackpressureSupport(BackpressureKind.FULL)
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Iterable<T> blockingIterable() {
        return blockingIterable(bufferSize());
    }
Converts this {@code Flowable} into an {@link Iterable}.
<p>
<img width="640" height="315" src="https://github.com/ReactiveX/RxJava/wiki/images/rx-operators/B.toIterable.png" alt="">
<dl>
<dt><b>Backpressure:</b></dt>
<dd>The operator expects the upstream to honor backpressure otherwise the returned
Iterable's iterator will throw a {@code MissingBackpressureException}.</dd>
<dt><b>Scheduler:</b></dt>
<dd>{@code blockingIterable} does not operate by default on a particular {@link Scheduler}.</dd>
</dl>

@return an {@link Iterable} version of this {@code Flowable}
@see <a href="http://reactivex.io/documentation/operators/to.html">ReactiveX documentation: To</a>