code: public Observable<Page<SyncMemberInner>> listBySyncGroupNextAsync(final String nextPageLink) {
          return listBySyncGroupNextWithServiceResponseAsync(nextPageLink)
              .map(new Func1<ServiceResponse<Page<SyncMemberInner>>, Page<SyncMemberInner>>() {
                  @Override
                  public Page<SyncMemberInner> call(ServiceResponse<Page<SyncMemberInner>> response) {
                      return response.body();
                  }
              });
      }
docs: Lists sync members in the given sync group.
  
  @param nextPageLink The NextLink from the previous successful call to List operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the PagedList&lt;SyncMemberInner&gt; object