feat: support creating workspace search data stores
feat: support batch get documents metadata by uri patterns
feat: return query segment in NL query understanding
feat: return joined status in user event
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 670770678
feat: support search as you type feature
feat: allow set relevance threshold on search
feat: support import and purge autocomplete data
feat: populate more metadata in answer services
feat: allow providing language info in data stores
feat: add requirement service
feat: support import data from AlloyDB
feat: support add metadata for website uris
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 658428107
feat: support standalone ranking API
feat: support layout detection and more chunking features
feat: support advanced search boosting
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 621906335
feat: add search tuning service
feat: add engine support for conversational engine service
feat: support search summarization with citations and references
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 590625062
