{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"for"}]}
        for (parent_field_idx, parent_capture) in parent_captures.into_iter().enumerate() {
        // peeking off this `Peekable` until the child doesn't match anymore.
            // Make sure we use every field at least once, b/c why are we capturing something