add completions after final keyword

pkg/analysis_server/lib/src/services/completion/optype.dart

Index: pkg/analysis_server/lib/src/services/completion/optype.dart
diff --git a/pkg/analysis_server/lib/src/services/completion/optype.dart b/pkg/analysis_server/lib/src/services/completion/optype.dart
index 96b89bf64a0b232228f3fb580c7c3911bf9348db..a7c70531d6a994836503e5b0a3b1bdbd1a8067f5 100644
--- a/pkg/analysis_server/lib/src/services/completion/optype.dart
+++ b/pkg/analysis_server/lib/src/services/completion/optype.dart
@@ -508,6 +508,14 @@ class _OpTypeAstVisitor extends GeneralizingAstVisitor {
   }
 
   @override
+  void visitVariableDeclarationList(VariableDeclarationList node) {
+    if ((node.keyword == null || node.keyword.lexeme != 'var') &&
+        (node.type == null)) {
+      optype.includeTypeNameSuggestions = true;
+    }
+  }
+
+  @override
   void visitVariableDeclarationStatement(VariableDeclarationStatement node) {}
 
   @override