lcl_GetString(com::sun::star::uno::Reference<com::sun::star::sheet::XSpreadsheetDocument> const&, com::sun::star::table::CellAddress const&)
lcl_SetString(com::sun::star::uno::Reference<com::sun::star::sheet::XSpreadsheetDocument> const&, com::sun::star::table::CellAddress const&, rtl::OUString const&)