{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"ParamLoweringMode::Variable"}]}
                    ParamLoweringMode::Variable => {
                    ParamLoweringMode::Placeholder => generics.placeholder_subst(self.ctx.db),
                        generics.bound_vars_subst(self.ctx.db, self.ctx.in_binders)