public Observable<Page<ExpressRouteCircuitInner>> listAsync() {
        return listWithServiceResponseAsync()
            .map(new Func1<ServiceResponse<Page<ExpressRouteCircuitInner>>, Page<ExpressRouteCircuitInner>>() {
                @Override
                public Page<ExpressRouteCircuitInner> call(ServiceResponse<Page<ExpressRouteCircuitInner>> response) {
                    return response.body();
                }
            });
    }
public Observable < Page < ExpressRouteCircuitInner > > listAsync ( ) { return listWithServiceResponseAsync ( ) . map ( new Func1 < ServiceResponse < Page < ExpressRouteCircuitInner > > , Page < ExpressRouteCircuitInner > > ( ) { @ Override public Page < ExpressRouteCircuitInner > call ( ServiceResponse < Page < ExpressRouteCircuitInner > > response ) { return response . body ( ) ; } } ) ; }
Gets all the express route circuits in a subscription.

@throws IllegalArgumentException thrown if parameters fail the validation
@return the observable to the PagedList&lt;ExpressRouteCircuitInner&gt; object