{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
///    case this is analogous to transforming a struct. E.g., `Box<[i32; 4]>` ->
///    At some point, of course, `Box` should move out of the compiler, in which
///    `Box<[i32]>` is an `Adjust::Unsize` with the target `Box<[i32]>`.