docs: public final Table modifyColumnFamilies(
        TableName name, List<ModifyColumnFamiliesRequest.Modification> modifications) {
  
      ModifyColumnFamiliesRequest request =
          ModifyColumnFamiliesRequest.newBuilder()
              .setName(name == null ? null : name.toString())
              .addAllModifications(modifications)
              .build();
      return modifyColumnFamilies(request);
    }