{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"FnAbiOf::fn_abi_of_instance(self,"}]}
        FnAbiOf::fn_abi_of_instance(self, instance, extra_args)
        let _span = enter_trace_span!(M, layouting::fn_abi_of_instance, ?instance, ?extra_args);
    }