anchor.diff:        ResolvedUnitResult resolvedUnitResult,
         int offset,
         CompletionMetrics metrics,
  -      [DeclarationsTracker declarationsTracker,
  -      bool useNewRelevance = false]) async {
  +      [bool useNewRelevance = false]) async {
       var completionRequestImpl = CompletionRequestImpl(
         resolvedUnitResult,
         offset,
  
positive.code: import 'dart:async';
  import 'dart:io' as io;
  
  import 'package:analysis_server/src/domains/completion/available_suggestions.dart';
  import 'package:analysis_server/src/protocol_server.dart';
  import 'package:analysis_server/src/services/completion/completion_core.dart';
  import 'package:analysis_server/src/services/completion/completion_performance.dart';
  
negative.code:                 _resolvedUnitResult,
                  expectedCompletion.offset,
                  metricsOldMode,
                  false);
  
              forEachExpectedCompletion(
  