Issue 28261. Add support for implementing generic methods in Quick Fix.

pkg/analysis_server/test/services/correction/fix_test.dart

Index: pkg/analysis_server/test/services/correction/fix_test.dart
diff --git a/pkg/analysis_server/test/services/correction/fix_test.dart b/pkg/analysis_server/test/services/correction/fix_test.dart
index b07956175046556e79b483f36eb2e7a75b41ba78..f61e104fd38509ded113c7dd0be364cbee33bce1 100644
--- a/pkg/analysis_server/test/services/correction/fix_test.dart
+++ b/pkg/analysis_server/test/services/correction/fix_test.dart
@@ -2619,6 +2619,37 @@ class B extends A {
 ''');
   }
 
+  test_createMissingOverrides_method_generic() async {
+    resolveTestUnit('''
+class C<T> {}
+class V<E> {}
+
+abstract class A {
+  E foo<E extends C<int>>(V<E> v);
+}
+
+class B implements A {
+}
+''');
+    await assertHasFix(
+        DartFixKind.CREATE_MISSING_OVERRIDES,
+        '''
+class C<T> {}
+class V<E> {}
+
+abstract class A {
+  E foo<E extends C<int>>(V<E> v);
+}
+
+class B implements A {
+  @override
+  E foo<E extends C<int>>(V<E> v) {
+    // TODO: implement foo
+  }
+}
+''');
+  }
+
   test_createMissingOverrides_operator() async {
     resolveTestUnit('''
 abstract class A {