Merge 310734d2f8 into cbd39ceaca

Only apply standard swift settings on valid targets. The current check
ignores plugins but that is not comprehensive enough.

Package.swift

@@ -49,11 +49,16 @@ for target in package.targets {
 
 // ---    STANDARD CROSS-REPO SETTINGS DO NOT EDIT   --- //
 for target in package.targets {
-    if target.type != .plugin {
+    switch target.type {
+    case .regular, .test, .executable:
         var settings = target.swiftSettings ?? []
         // https://github.com/swiftlang/swift-evolution/blob/main/proposals/0444-member-import-visibility.md
         settings.append(.enableUpcomingFeature("MemberImportVisibility"))
         target.swiftSettings = settings
+    case .macro, .plugin, .system, .binary:
+        ()  // not applicable
+    @unknown default:
+        ()  // we don't know what to do here, do nothing
     }
 }
 // --- END: STANDARD CROSS-REPO SETTINGS DO NOT EDIT --- //

Sources/Metrics/Metrics.swift

@@ -13,10 +13,16 @@
 //===----------------------------------------------------------------------===//
 
 @_exported import CoreMetrics
-import Foundation
+import Dispatch
 
 @_exported import class CoreMetrics.Timer
 
+#if canImport(FoundationEssentials)
+import FoundationEssentials
+#else
+import Foundation
+#endif
+
 extension Timer {
     /// Convenience for measuring duration of a closure.
     ///