code: public final Iterable<ItemT> search(final RequestT request, final String fields) {
      return search(request, setFieldsInitializer(fields), RetryPolicy.defaultPolicy());
    }
docs: Search for objects with a partial response.
  
  A convenience method that allows the client code to specify the value of
  {@link GenomicsRequest#setFields} using a {@link GenomicsRequestInitializer}.
  
  @param request The search request.
  @param fields The fields to set.
  @return the stream of search results.