Search the DDB object index via the v2 Solr passthrough
(GET /2/search/index/{collection}/{requestHandler}). Values use Solr
syntax; the response is native Solr JSON. wt=json is always forced.
The version string of the DDB backend. Public — works without a key.
Fetch one component of an item by its 32-character id (defaults to
view). Decodes by Content-Type: JSON components are parsed intojson, while the XML / file components (edm, source-record, citation) are returned astext.