Frank Schönheit contains configuration related to the interaction system of OpenOffice.org. describes the responsibility for a single interaction request type. describes how the responsibility for this particular request type propagates through the type hierarchy. specifies that the interaction handler is responsible only for this particular type. specifies that the interaction handler is responsible not only for this particular type, but also for all derived types. contains information about a concrete interaction handler implementation. specifies the types which the interaction handler implementation is responsible for. The node names of this set are interpreted as names in the UNO type system, this way specifying the request types which should be delegated to the given interaction handler. contains the name to be used to create an instance of the interaction handler implementation. collects information about registered interaction handlers.