docs: def peak_templates(self):
          """Create a list of concrete peak templates from a list of general peak descriptions.
  
          :return: List of peak templates.
          :rtype: :py:class:`list`
          """
          peak_templates = []
          for peak_descr in self:
              expanded_dims = [dim_group.dimensions for dim_group in peak_descr]
              templates = product(*expanded_dims)
              for template in templates:
                  peak_templates.append(PeakTemplate(template))
          return peak_templates