public extension PureYAML.Streaming.Token {
    /// The quoting or block style a scalar token was scanned with. Distinct
    /// from ``PureYAML/Emitting/ScalarStyle``, which is an output rendering
    /// policy, not the style a scanned scalar was actually written in.
    enum ScalarStyle: Equatable, Sendable {
        case plain
        case singleQuoted
        case doubleQuoted
        case literal
        case folded
    }
}