Aspose, append Pdf's without extra space

I've got list of Pdf objects (or Streams) and would like to append them that there wont be extra white space between them. Aspose 'PdfFileEditor.Concatenate' adds next Pdf starting from next page but I'd like to add it immediately after previou开发者_JAVA技巧s finishes.

Is it possible?

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I don't know if that was possible (there wasn't much time) so had to refactor the code that only one stream was created with correct layout.