/// A Kleene-style [repetition operator](https://en.wikipedia.org/wiki/Kleene_star)
/// for token sequences.
#[derive(Clone, PartialEq, Encodable, Decodable, Debug, Copy)]
-enum KleeneOp {
+pub(crate) enum KleeneOp {
/// Kleene star (`*`) for zero or more repetitions
ZeroOrMore,
/// Kleene plus (`+`) for one or more repetitions