Returns true when client.checkCompatibility() reported a supported
server. The dataset caches the negotiation per HonuaClient instance.
Get a Source handle by id. Returns undefined if not registered.
Iterate registered source ids, in registration order.
Server-feature gate that mirrors HonuaClient.supportsFeature.
Logical grouping of one or more sources sharing identity and (optionally) a field schema.
Datasetis the canonical entry point:createDatasetgates the compatibility check and caches it perHonuaClient.Example