docs: def export(self, output=Mimetypes.PLAINTEXT, exclude=None, **kwargs):
          """ Export the collection item in the Mimetype required.
  
          ..note:: If current implementation does not have special mimetypes, reuses default_export method
  
          :param output: Mimetype to export to (Uses Mimetypes)
          :type output: str
          :param exclude: Informations to exclude. Specific to implementations
          :type exclude: [str]
          :return: Object using a different representation
          """
          return self.getTextualNode().export(output, exclude)