@CheckReturnValue
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Single<Boolean> isEmpty() {
    """
	Returns a Single that emits {@code true} if the source Maybe is empty, otherwise {@code false}.
	<p>
	<img width="640" height="320" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/isEmpty.png" alt="">
	<dl>
	<dt><b>Scheduler:</b></dt>
	<dd>{@code isEmpty} does not operate by default on a particular {@link Scheduler}.</dd>
	</dl>
	
	@return a Single that emits a Boolean
	@see <a href="http://reactivex.io/documentation/operators/contains.html">ReactiveX operators documentation: Contains</a>
    """
        return RxJavaPlugins.onAssembly(new MaybeIsEmptySingle<T>(this));
    }
@CheckReturnValue
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Single<Boolean> isEmpty() {
        return RxJavaPlugins.onAssembly(new MaybeIsEmptySingle<T>(this));
    }
@ CheckReturnValue @ SchedulerSupport ( SchedulerSupport . NONE ) public final Single < Boolean > isEmpty ( ) { return RxJavaPlugins . onAssembly ( new MaybeIsEmptySingle < T > ( this ) ) ; }
Returns a Single that emits {@code true} if the source Maybe is empty, otherwise {@code false}.
<p>
<img width="640" height="320" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/isEmpty.png" alt="">
<dl>
<dt><b>Scheduler:</b></dt>
<dd>{@code isEmpty} does not operate by default on a particular {@link Scheduler}.</dd>
</dl>

@return a Single that emits a Boolean
@see <a href="http://reactivex.io/documentation/operators/contains.html">ReactiveX operators documentation: Contains</a>
Returns a Single that emits { @code true } if the source Maybe is empty otherwise { @code false } . <p > <img width = 640 height = 320 src = https : // raw . github . com / wiki / ReactiveX / RxJava / images / rx - operators / isEmpty . png alt = > <dl > <dt > <b > Scheduler : < / b > < / dt > <dd > { @code isEmpty } does not operate by default on a particular { @link Scheduler } . < / dd > < / dl >