{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"self.bound_generic_params_stack.extend(trait_ref.bound_generic_params.iter().cloned());"}]}
            self.bound_generic_params_stack.extend(trait_ref.bound_generic_params.iter().cloned());
            let stack_len = self.bound_generic_params_stack.len();