google-cloud-platform

Is your feature request related to a problem? Please describe.

We don't want giving our staff ADMIN permissions, but they need to be able to add new option values without distracting us every time.

Describe the solution you'd like

Everyone authenticated should be able to manage option values. This can be also configured on a field level (e.g. "Who can manage option values: Everyon

This is motivated by #5703. Applications may need to persist the state of pagination iterators, for example, because they are implementing a web service that returns pages of results.

I suggested this API:

struct Page {
  std::vector<std::string> bucket_names;
  std::string reader_state;
};

Page BucketsPage(gcs::Client client, std::string reader_state) {
  auto reader = client.