This class deliberately does not support XWeak, to improve performance when loading large documents.
virtual void SAL_CALL startFastElement(sal_Int32 Element, const css::uno::Reference< css::xml::sax::XFastAttributeList > &Attribs) override
virtual css::uno::Reference< XFastContextHandler > SAL_CALL createFastChildContext(sal_Int32 Element, const css::uno::Reference< css::xml::sax::XFastAttributeList > &Attribs) override