1"ContentProvider";"com::sun::star::ucb::XParameterizedContentProvider";"registerInstance()" 2"ContentProvider";"com::sun::star::ucb::XParameterizedContentProvider";"deregisterInstance()" 3"ContentProvider";"com::sun::star::ucb::XContentProvider";"queryContent()" 4"ContentProvider";"com::sun::star::ucb::XContentProvider";"compareContentIds()" 5"ContentProvider";"com::sun::star::ucb::XContentIdentifierFactory#optional";"createContentIdentifier()" 6