import Foundation enum CodexRateWindowNormalizer {    static func normalize(        primary: RateWindow?,        secondary: RateWindow?)        -> (primary: RateWindow?, secondary: RateWindow?)    {        switch (primary, secondary) {        case let (.some(primaryWindow), .some(secondaryWindow)):            switch (self.role(for: primaryWindow), self.role(for: secondaryWindow)) {            case (.session, .weekly), (.session, .unknown), (.unknown, .weekly):                (primaryWindow, secondaryWindow)            case (.weekly, .session), (.weekly, .unknown):                (secondaryWindow, primaryWindow)            default:                (primaryWindow, secondaryWindow)            }        case let (.some(primaryWindow), .none):            switch role(for: primaryWindow) {            case .weekly:                (nil, primaryWindow)            case .session, .unknown:                (primaryWindow, nil)            }        case let (.none, .some(secondaryWindow)):            switch self.role(for: secondaryWindow) {            case .session, .unknown:                (secondaryWindow, nil)            case .weekly:                (nil, secondaryWindow)            }        case (.none, .none):            (nil, nil)        }    }     private enum WindowRole {        case session        case weekly        case unknown    }     private static func role(for window: RateWindow) -> WindowRole {        switch window.windowMinutes {        case 300:            .session        case 10080:            .weekly        default:            .unknown        }    }} #if DEBUGextension CodexRateWindowNormalizer {    static func _normalizeForTesting(        primary: RateWindow?,        secondary: RateWindow?)        -> (primary: RateWindow?, secondary: RateWindow?)    {        self.normalize(primary: primary, secondary: secondary)    }}#endif