feat: support query rephraser model for answer API
feat: support end user spec for answer API
feat: support grounding and safety rating for answer API
feat: support relevance threshold in search
feat: support boosting for blended search
feat: support auto mode in search as your type
feat: support model scores in search
feat: support search highlighting
feat: support enterprise web retrieval source for grounding
feat: support images in web search grounding
feat: add sitemap APIs
feat: add interpolation boost action and promotion action
feat: allow FHIR import to use latest predefined schema
feat: allow unstructured data import to force refresh all content
feat: support conversion user event
feat: support panel aware user event
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 740152749
feat: Add BillingEstimation in data store
feat: Support Google Workspace search
feat: Support advanced boost search
feat: Add one_box_page_size on search
feat: Add site_credential for site search config
docs: Update documentation
PiperOrigin-RevId: 684224724
feat: promote answer APIs to v1 GA
feat: promote ranking APIs to v1 GA
feat: add control service APIs
feat: support writing user events for blended engines
feat: support cancelling import operations
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 637140936
feat: promote blending search to v1
feat: promote healthcare search to v1
feat: promote online chunking search to v1
feat: support import data from Cloud Spanner, BigTable, SQL and Firestore
feat: support boost/bury on multi-turn search
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 623947579
feat: support search summarization with citations and references
feat: add suggestion deny list import/purge APIs
feat: add engine support for multi-turn search and search APIs
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 605218577
