code: private NamedOdsDocument createNamedDocument() {
          final OdsElements odsElements = OdsElements
                  .create(this.positionUtil, this.xmlUtil, this.writeUtil, this.format,
                          this.libreOfficeMode);
          return NamedOdsDocument.create(this.logger, this.xmlUtil, odsElements);
      }
docs: Create a new, empty document for a normal writer. Use addTable to add tables.
  
  @return a new document