This element contains border formatting information, specifying border definition formats (left, right, top, bottom, diagonal)
for cells in the workbook.
Imports data from an external XML to an XLSX according to one of the mappings
defined.The output XML Schema must respect this limitations:
the input XML must be valid according to the XML Schema used in the mapping
denormalized table mapping is not supported (see OpenOffice part 4: chapter 3.5.1.7)
all the namespaces used in the document must be declared in the root node
This class implements the Map element (Open Office XML Part 4:
chapter 3.16.2)
This element contains all of the properties related to the XML map,
and the behaviors expected during data refresh operations.
A .docx file can have no headers/footers, the same header/footer
on each page, odd/even page footers, and optionally also
a different header/footer on the first page.