code: @Override
    public Table modifyFamilies(ModifyColumnFamiliesRequest request) {
      com.google.bigtable.admin.v2.ModifyColumnFamiliesRequest modifyColumnRequestProto =
          request.toProto(instanceName.getProjectId(), instanceName.getInstanceId());
  
      return Table.fromProto(delegate.modifyColumnFamily(modifyColumnRequestProto));
    }
docs: {@inheritDoc}