public Observable<Page<RegistryInner>> listAsync() {
        return listWithServiceResponseAsync()
            .map(new Func1<ServiceResponse<Page<RegistryInner>>, Page<RegistryInner>>() {
                @Override
                public Page<RegistryInner> call(ServiceResponse<Page<RegistryInner>> response) {
                    return response.body();
                }
            });
    }
public Observable < Page < RegistryInner > > listAsync ( ) { return listWithServiceResponseAsync ( ) . map ( new Func1 < ServiceResponse < Page < RegistryInner > > , Page < RegistryInner > > ( ) { @ Override public Page < RegistryInner > call ( ServiceResponse < Page < RegistryInner > > response ) { return response . body ( ) ; } } ) ; }
Lists all the container registries under the specified subscription.

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