e work in the background.
- Qtilities::Core::ActivityPolicyFilter
- Qtilities::CoreGui::NamingPolicyFilter
- Qtilities::Core::SubjectTypeFilter

It would not be possible to meet the requirements of the above tree using the categorized approach. The important thing to remember when building trees is that each node defines a context for the items attached to it. This allows us to control for example activity, or names for items underneath a node. Using the categorized approach results in a node which contains