{"ast_node_type":"variable","tokens":[{"end":42,"kind":"keyword","start":0,"text":"let"}]}
        let mut abi_args = ThinVec::new();
    fn allocator_fn(&self, method: &AllocatorMethod) -> Stmt {
        let args = method.inputs.iter().map(|input| self.arg_ty(input, &mut abi_args)).collect();