Issue 26747. Report HintCode.UNDEFINED_SHOWN_NAME, but not HintCode.UNUSED_SHOWN_NAME for unresolve…

pkg/analyzer/lib/src/generated/resolver.dart

Index: pkg/analyzer/lib/src/generated/resolver.dart
diff --git a/pkg/analyzer/lib/src/generated/resolver.dart b/pkg/analyzer/lib/src/generated/resolver.dart
index b4c6e452ba66800228d641db16b53291c1d9723e..b662891b96969b4f9fd92968528d9b2baf52cdaa 100644
--- a/pkg/analyzer/lib/src/generated/resolver.dart
+++ b/pkg/analyzer/lib/src/generated/resolver.dart
@@ -4655,7 +4655,9 @@ class ImportsVerifier {
     for (Combinator combinator in importDirective.combinators) {
       if (combinator is ShowCombinator) {
         for (SimpleIdentifier name in combinator.shownNames) {
-          identifiers.add(name);
+          if (name.staticElement != null) {
+            identifiers.add(name);
+          }
         }
       }
     }