Returns the content of this office document. Content document type may vary depending on the implementation. For
an example, a particular implementation might return an html DOM object while another implementation might return
Returns the files corresponding to all the artifacts for this office document, except the conversion of the
Artifacts are generated during the import operation if the original office document contains embedded
non-textual elements. Also, some office formats (like presentations) result in multiple output files when
converted into html. In this case all these output files will be considered as artifacts.