code: public Observable<Page<SyncDatabaseIdPropertiesInner>> listSyncDatabaseIdsNextAsync(final String nextPageLink) {
          return listSyncDatabaseIdsNextWithServiceResponseAsync(nextPageLink)
              .map(new Func1<ServiceResponse<Page<SyncDatabaseIdPropertiesInner>>, Page<SyncDatabaseIdPropertiesInner>>() {
                  @Override
                  public Page<SyncDatabaseIdPropertiesInner> call(ServiceResponse<Page<SyncDatabaseIdPropertiesInner>> response) {
                      return response.body();
                  }
              });
      }
docs: Gets a collection of sync database ids.
  
  @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;SyncDatabaseIdPropertiesInner&gt; object