{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"body.local_decls[pin_proxy_layout_local]"}]}
    body.local_decls[pin_proxy_layout_local] = LocalDecl::new(pin_proxy_ref, span);
    // Now changing first arg from Pin<&mut ImplCoroutine> to Pin<&mut ProxyCoroutine>