src/main/java/io/reactivex/Completable.java
@CheckReturnValue
    @NonNull
    @SchedulerSupport(SchedulerSupport.CUSTOM)
    public final Completable timeout(long timeout, TimeUnit unit, Scheduler scheduler, CompletableSource other) {
        ObjectHelper.requireNonNull(other, "other is null");
        return timeout0(timeout, unit, scheduler, other);
    }
@CheckReturnValue
    @NonNull
    @SchedulerSupport(SchedulerSupport.CUSTOM)
    public final Completable timeout(long timeout, TimeUnit unit, Scheduler scheduler, CompletableSource other) {
        ObjectHelper.requireNonNull(other, "other is null");
        return timeout0(timeout, unit, scheduler, other);
    }
@ CheckReturnValue @ NonNull @ SchedulerSupport ( SchedulerSupport . CUSTOM ) public final Completable timeout ( long timeout , TimeUnit unit , Scheduler scheduler , CompletableSource other ) { ObjectHelper . requireNonNull ( other , "other is null" ) ; return timeout0 ( timeout , unit , scheduler , other ) ; }
Returns a Completable that runs this Completable and switches to the other Completable
in case this Completable doesn't complete within the given time while "waiting" on
the specified scheduler.
<p>
<img width="640" height="308" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/Completable.timeout.sc.png" alt="">
<dl>
<dt><b>Scheduler:</b></dt>
<dd>{@code timeout} subscribes to the other CompletableSource on
the {@link Scheduler} you specify.</dd>
</dl>
@param timeout the timeout value
@param unit the timeout unit
@param scheduler the scheduler to use to wait for completion
@param other the other Completable instance to switch to in case of a timeout
@return the new Completable instance
@throws NullPointerException if unit, scheduler or other is null
Returns a Completable that runs this Completable and switches to the other Completable in case this Completable doesn t complete within the given time while waiting on the specified scheduler . <p > <img width = 640 height = 308 src = https : // raw . github . com / wiki / ReactiveX / RxJava / images / rx - operators / Completable . timeout . sc . png alt = > <dl > <dt > <b > Scheduler : < / b > < / dt > <dd > {