remove keyword suggestions in constructor names and prefixed expressions

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

Index: pkg/analysis_server/lib/src/services/completion/keyword_contributor.dart
diff --git a/pkg/analysis_server/lib/src/services/completion/keyword_contributor.dart b/pkg/analysis_server/lib/src/services/completion/keyword_contributor.dart
index 9f31d75102252ba5909d9d18df505ec4dfec225f..ce253e9996db415516125459a08d5d022a3e2ae1 100644
--- a/pkg/analysis_server/lib/src/services/completion/keyword_contributor.dart
+++ b/pkg/analysis_server/lib/src/services/completion/keyword_contributor.dart
@@ -150,6 +150,24 @@ class _KeywordVisitor extends GeneralizingAstVisitor {
   }
 
   @override
+  visitInstanceCreationExpression(InstanceCreationExpression node) {
+    if (entity == node.constructorName) {
+      // no keywords in 'new ^' expression
+    } else {
+      super.visitInstanceCreationExpression(node);
+    }
+  }
+
+  @override
+  visitMethodInvocation(MethodInvocation node) {
+    if (entity == node.methodName) {
+      // no keywords in '.' expression
+    } else {
+      super.visitMethodInvocation(node);
+    }
+  }
+
+  @override
   visitExpressionFunctionBody(ExpressionFunctionBody node) {
     if (entity == node.expression) {
       _addExpressionKeywords(node);