importClass(Packages.com.sun.star.uno.UnoRuntime);
importClass(Packages.com.sun.star.sheet.XSpreadsheetDocument);
importClass(Packages.com.sun.star.sheet.XSpreadsheets);
importClass(Packages.com.sun.star.table.XCellRange);
importClass(Packages.com.sun.star.container.XIndexAccess);