docs: def _reprJSON(self):
          """Returns a JSON serializable represenation of a ``Ci`` class instance.
          Use :func:`maspy.core.Ci._fromJSON()` to generate a new ``Ci`` instance
          from the return value.
  
          :returns: a JSON serializable python object
          """
          return {'__Ci__': (self.id, self.specfile, self.dataProcessingRef,
                             self.precursor, self.product, self.params,
                             self.attrib, self.arrayInfo
                             )
                  }