Aspose.Words.Saving.DocumentSavingArgs class. An argument passed into Aspose.Words.Saving.IDocumentSavingCallback.Notify(Aspose.Words.Saving.DocumentSavingArgs)...saveFormat , ext ) => { let doc = new aw . Document ( base . myDir...Mhtml, Epub. let saveOptions = new aw . Saving . HtmlSaveOptions...