A comunica actor for query-source-identify events. Actor types: * Input: IActionQuerySourceIdentify: An unidentified query source. * Test: <none> * Output: IActorQuerySourceIdentifyOutput: An identified query source.
Query source identification failed: none of the configured actors were able to identify ${action.querySourceUnidentified.value}
The message that will be configured in the bus for reporting failures. This message may be a template string that contains references to the executed `action`. For example, the following templated string is allowed: "RDF dereferencing failed: no actors could handle ${action.handle.mediaType}"
Actor that must be registered in the bus before this actor.