content namespac includ content own namespac namespac pre oper content result set contain model element contain namespac content set model element content self own element union self namespac content pre param namespac namespac content content namespac contain namespac collect model element content namespac namespac collect model element result arrai list model element result add namespac own element namespac owner namespac namespac owner result add content owner todo handl access result 