Search requirements:
- https://github.com/samvera/valkyrie/wiki/Queries
- https://docs.google.com/document/d/1JYHog_t0Ye6VXg3i1MyTqMQZW40HsEdpme8RjFE-iys/edit#
- https://docs.google.com/document/d/13C_UhB37docTd8ZTD1ZSKuFhX6q9_3Boo67hjUC2YyM/edit
- Question consistency is required? In other words, should the client be able to perform queries immediately after updating a resource and expect to see the previously committed changes? I think yes