{"ast_node_type":"function","tokens":[{"end":55,"kind":"keyword","start":0,"text":"fn"}]}
    fn hir_item(&self, id: ItemId) -> &'hir Item<'hir>;
    fn hir_body(&self, id: BodyId) -> &'hir Body<'hir>;
    fn hir_trait_item(&self, id: TraitItemId) -> &'hir TraitItem<'hir>;