DomainUseCase
The primary use case for the domain, which determines the default configuration and the engine modes that are available. Valid values are SEARCH (full-text search, e-commerce, content discovery, and hybrid and semantic search), VECTOR (k-NN and semantic search, and retrieval-augmented generation), OBSERVABILITY (logs, metrics, traces, and dashboards), and MIXED (a combination of search and analytics). If you don't specify a use case, MIXED is used.