code: def reset(self):
          
          # FIXME: this state does not make sense
          self.reset_creation_info()
          self.reset_document()
          self.reset_package()
          self.reset_file_stat()
          self.reset_reviews()
          self.reset_annotations()
          self.reset_extr_lics()
docs: Resets builder's state for building new documents.
          Must be called between usage with different documents.