Adds the networkProtection remote subfeatures

Sources/BrowserServicesKit/PrivacyConfig/AppPrivacyConfiguration.swift

@@ -161,6 +161,11 @@ public struct AppPrivacyConfiguration: PrivacyConfiguration {
     public func isSubfeatureEnabled(_ subfeature: any PrivacySubfeature,
                                     versionProvider: AppVersionProvider,
                                     randomizer: (Range<Double>) -> Double) -> Bool {
+        // TODO: Do not ship this - temporary, only for testing
+        if let networkProtectionSubfeature = subfeature as? NetworkProtectionSubfeature, networkProtectionSubfeature == NetworkProtectionSubfeature.waitlist {
+            return true
+        }
+
         guard isEnabled(featureKey: subfeature.parent, versionProvider: versionProvider) else {
             return false
         }

Sources/BrowserServicesKit/PrivacyConfig/Features/PrivacyFeature.swift

@@ -40,6 +40,7 @@ public enum PrivacyFeature: String {
     case windowsDownloadLink
     case incontextSignup
     case newTabContinueSetUp
+    case networkProtection
     case incrementalRolloutTest // Temporary feature flag for testing incremental rollouts
 }
 
@@ -64,6 +65,15 @@ public enum AutofillSubfeature: String, PrivacySubfeature {
     case autofillPasswordGeneration
 }
 
+public enum NetworkProtectionSubfeature: String, Equatable, PrivacySubfeature {
+    public var parent: PrivacyFeature {
+        .networkProtection
+    }
+
+    case waitlist
+    case waitlistBetaActive
+}
+
 public enum IncrementalRolloutTestSubfeature: String, PrivacySubfeature {
     public var parent: PrivacyFeature {
         .incrementalRolloutTest

Sources/NetworkProtection/FeatureActivation/NetworkProtectionFeatureVisibility.swift → Sources/NetworkProtection/FeatureActivation/NetworkProtectionFeatureActivation.swift

@@ -1,5 +1,5 @@
 //
-//  NetworkProtectionFeatureVisibility.swift
+//  NetworkProtectionFeatureActivation.swift
 //
 //  Copyright © 2023 DuckDuckGo. All rights reserved.
 //
@@ -18,14 +18,14 @@
 
 import Foundation
 
-public protocol NetworkProtectionFeatureVisibility {
+public protocol NetworkProtectionFeatureActivation {
 
     /// Has the invite code flow been completed and an oAuth token stored?
     ///
     var isFeatureActivated: Bool { get }
 }
 
-extension NetworkProtectionKeychainTokenStore: NetworkProtectionFeatureVisibility {
+extension NetworkProtectionKeychainTokenStore: NetworkProtectionFeatureActivation {
     public var isFeatureActivated: Bool {
         do {
             return try fetchToken() != nil