||The cells in a workbook can be calculated in different orders depending on various optimizations and
||This class implements the Custom XML Mapping Part (Open Office XML Part 1:
An instance of this part type contains a schema for an XML file, and
information on the behavior that is used when allowing this custom XML schema
to be mapped into the spreadsheet.
||Table of strings shared across all sheets in a workbook.
||This class implements the Single Cell Tables Part (Open Office XML Part 4:
||Table of styles shared across all sheets in a workbook.
||Class that represents theme of XLSX document.