OptionalfeaturesThe total number of features that corresponds to the query.
Identifier (can be not unique).
OptionalidentifierThe field to use to identify the feature.
Label.
OptionalmergeThe original datasources merged in merged result.
Is the request for this source still ongoing?
OptionalrequestThe datasources of the request (which are summed in totalFeatureCount).
OptionaltooIf the last query for this source would return more features than the configured limit.
OptionaltotalIf tooManyResults is true, this contains the total number of
features.
The matching features for this source.