{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"[InlayHintLabelPart"}]}
        [InlayHintLabelPart { linked_location: None, .. }] => {
    let (label, tooltip) = match &*label.parts {
            let InlayHintLabelPart { text, tooltip, .. } = label.parts.pop().unwrap();