anchor.diff:    List<CompletionResult> localRefWorstResults = [];
   
     /// A list of the top [maxWorstResults] completion results with the highest
  +  /// (worst) ranks for completing to parameter references.
  +  List<CompletionResult> paramRefWorstResults = [];
  +
  +  /// A list of the top [maxWorstResults] completion results with the highest
     /// (worst) ranks for completing to top-level declarations.
     List<CompletionResult> topLevelWorstResults = [];
   
  
positive.code:   staticMember,
    typeReference,
    localReference,
    topLevel
  }
  
  
negative.code:     _printWorstResults('Static members', metrics.staticMemberWorstResults);
      _printWorstResults('Type references', metrics.topLevelWorstResults);
      _printWorstResults('Local references', metrics.localRefWorstResults);
      _printWorstResults('Parameter references', metrics.paramRefWorstResults);
      _printWorstResults('Top level', metrics.topLevelWorstResults);
    }
  
  