anchor.diff:      _printWorstResults('Instance members', metrics.instanceMemberWorstResults);
       _printWorstResults('Static members', metrics.staticMemberWorstResults);
       _printWorstResults('Type references', metrics.topLevelWorstResults);
  +    _printWorstResults('Local references', metrics.localRefWorstResults);
       _printWorstResults('Top level', metrics.topLevelWorstResults);
     }
   
  
positive.code:   /// A list of the top [maxSlowestResults] completion results that took the
    /// longest top compute for type references.
    List<CompletionResult> typeRefSlowestResults = [];
  
    /// A list of the top [maxSlowestResults] completion results that took the
    /// longest top compute for top-level declarations.
  
negative.code: 
  /// An indication of the group in which the completion falls for the purposes of
  /// subdividing the results.
  enum CompletionGroup {
    instanceMember,
    staticMember,
    typeReference,
    localReference,
    topLevel
  }
  
  /// A wrapper for the collection of [Counter] and [MeanReciprocalRankComputer]
  /// objects for a run of [CompletionMetricsComputer].
  