{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"FullyMonomorphizedLayoutCx(fx.tcx).fn_abi_of_instance(instance,"}]}
        FullyMonomorphizedLayoutCx(fx.tcx).fn_abi_of_instance(instance, extra_args)
    let fn_abi = if let Some(instance) = instance {
    } else {