matrix
fun Route.matrixServerServerApiServerRoutes(discoveryApiHandler: DiscoveryApiHandler, federationApiHandler: FederationApiHandler, getRoomVersionFunction: GetRoomVersionFunction, eventContentSerializerMappings: EventContentSerializerMappings = DefaultEventContentSerializerMappings, json: Json = createMatrixEventAndDataUnitJson(getRoomVersionFunction, eventContentSerializerMappings))