public Observable<Page<ExpressRouteLinkInner>> listAsync(final String resourceGroupName, final String expressRoutePortName) {
        return listWithServiceResponseAsync(resourceGroupName, expressRoutePortName)
            .map(new Func1<ServiceResponse<Page<ExpressRouteLinkInner>>, Page<ExpressRouteLinkInner>>() {
                @Override
                public Page<ExpressRouteLinkInner> call(ServiceResponse<Page<ExpressRouteLinkInner>> response) {
                    return response.body();
                }
            });
    }
public Observable < Page < ExpressRouteLinkInner > > listAsync ( final String resourceGroupName , final String expressRoutePortName ) { return listWithServiceResponseAsync ( resourceGroupName , expressRoutePortName ) . map ( new Func1 < ServiceResponse < Page < ExpressRouteLinkInner > > , Page < ExpressRouteLinkInner > > ( ) { @ Override public Page < ExpressRouteLinkInner > call ( ServiceResponse < Page < ExpressRouteLinkInner > > response ) { return response . body ( ) ; } } ) ; }
Retrieve the ExpressRouteLink sub-resources of the specified ExpressRoutePort resource.

@param resourceGroupName The name of the resource group.
@param expressRoutePortName The name of the ExpressRoutePort resource.
@throws IllegalArgumentException thrown if parameters fail the validation
@return the observable to the PagedList&lt;ExpressRouteLinkInner&gt; object