Calls getFeatures on the given type with the given filters, where they are not NULL.
callGetFeaturesWithFilters(feature_type, cql_filter, ...)
The features returned from the getFeatures called on the feature_type with the filter where not NULL.
Object of WFSFeatureType.
A character string that reflects cql filter e.g. "time_start AFTER 2020-00-00T00:00:00Z AND country IN ('Nigeria')"