{"ast_node_type":"other","tokens":[{"end":112,"kind":"keyword","start":0,"text":"328..439:"}]}
            328..439: only one type parameter can be marked as `#[pointee]` when deriving `CoercePointee` traits
            260..326: `CoercePointee` can only be derived on `struct`s that are generic over at least one type
            441..530: exactly one generic type parameter must be marked as `#[pointee]` to derive `CoercePointee` traits