Clean up analyzer hints.

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 f928df25ac033e68f9f5af98f83394677b103d72..d2d6f6c78e0bb8fcc8ec56f7b7e334979449b277 100644
--- a/pkg/analysis_server/lib/src/services/completion/optype.dart
+++ b/pkg/analysis_server/lib/src/services/completion/optype.dart
@@ -401,7 +401,7 @@ class _OpTypeAstVisitor extends GeneralizingAstVisitor {
 
   @override
   void visitMethodInvocation(MethodInvocation node) {
-    if (identical(entity, node.period) && offset > node.period.offset) {
+    if (identical(entity, node.operator) && offset > node.operator.offset) {
       // The cursor is between the two dots of a ".." token, so we need to
       // generate the completions we would generate after a "." token.
       optype.includeInvocationSuggestions = true;