build model list set object element tree set object path compar object model project manag manag current project root object target target element add model core helper possibl namespac target model line current namespac valid cours happen doe project attach issu todo enhanc valid namespac function happen target object namespac model facad namespac target namespac element contain namespac element add namespac defin log lp log granular type statement lp log local nest statement log warn current namespac valid endif compar invalid element except old list contain delet element project load remov old content remov element add element 