docs: def constant_prior_model_name_dict(self):
          """
          Returns
          -------
          prior_prior_model_name_dict: {Prior: str}
              A dictionary mapping priors to the names of associated prior models. Each prior will only have one prior
              model name; if a prior is shared by two prior models then one of those prior model's names will be in this
              dictionary.
          """
          return {constant_tuple.constant: prior_model_tuple.name
                  for prior_model_tuple in self.prior_model_tuples
                  for constant_tuple in prior_model_tuple.prior_model.constant_tuples}