{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"//"}]}
        // we can expect a field that is an immutable reference to a type.
        // Now we're dealing with the actual struct that we're going to suggest a change to,
        && let hir::Node::Field(field) = tcx.hir_node_by_def_id(field.did.as_local()?)