{"ast_node_type":"other","tokens":[{"end":15,"kind":"keyword","start":0,"text":"assert_eq!("}]}
    assert_eq!(
    assert_eq!(body.bindings.len(), 1, "should have a binding for `B`");
        body.bindings[BindingId::from_raw(RawIdx::from_u32(0))].name.as_str(),