copyWith method
Implementation
EpubMetadataIdentifier copyWith(
{Maybe<String> identifier = const Maybe.none(),
Maybe<String?> id = const Maybe.none(),
Maybe<String?> scheme = const Maybe.none()}) =>
EpubMetadataIdentifier(identifier.valueOr(this.identifier),
id.valueOr(this.id), scheme.valueOr(this.scheme));