This service is responsible for updating references
in expression that represented by String.
It's like ReferenceIntegrityService but
have absolutely other implementation because of nature of
dependent objects.
This service is developed for notifying clients of OM
about possible changes in references.
We need to find external model file
for resolving all external references ( Schema, WSDL ).
author: ads author: This class removes namespaces added author: to element as result of setting QName attribute in unattached element. author: Any such namespace ( is any ) should be removed from current element author: and moved to root element.