anchor.diff:        List<ClassElement> result = <ClassElement>[];
   
         for (ElementAnnotationImpl metadatum in metadata) {
  -        EvaluationResultImpl evaluation = metadatum.evaluationResult;
  -        DartObject value = evaluation?.value;
  +        DartObject value = _getEvaluatedMetadatum(metadatum);
   
           // Test if the type of this metadata is associated with any reflectors
           // via GlobalQuantifyMetaCapability.
  
positive.code: /// will remain unresolved if they were unresolved when they were obtained.
  EvaluationResultImpl _constTopLevelVariableEvaluationResult(
      ConstTopLevelVariableElementImpl constTopLevelVariable) {
    // This is safe: The result returned from `library` will not be used again.
    _resolvedLibraryOf(constTopLevelVariable.library);
    return constTopLevelVariable.evaluationResult;
  }
  
  /// Requests resolution of constants in [libraryElement] and returns a
  /// [LibraryElement] wherein they have been resolved. If the library has
  /// been obtained by evaluating `library` on an `Element` and all further
  /// usage of that library will happen by invoking `library` again then it is
  /// safe to ignore the returned value (because the future invocations of
  /// `library` will return the resolved library).
  LibraryElement _resolvedLibraryOf(LibraryElement libraryElement) {
    LibraryElement resolvedLibrary = _resolvedLibraries[libraryElement];
    if (resolvedLibrary == null) {
      resolvedLibrary = libraryElement.context
          .computeLibraryElement(libraryElement.definingCompilationUnit.source);
      _resolvedLibraries[libraryElement] = resolvedLibrary;
    }
    return resolvedLibrary;
  }
  
  Map<LibraryElement, LibraryElement> _resolvedLibraries =
      <LibraryElement, LibraryElement>{};
  
negative.code:         if (import.importedLibrary != reflectableLibrary) continue;
          for (ElementAnnotationImpl metadatum in import.metadata) {
            if (metadatum.element == globalQuantifyCapabilityConstructor) {
              DartObjectImpl value = _getEvaluatedMetadatum(metadatum);
              if (value != null) {
                String pattern = value.fields["classNamePattern"].toStringValue();
                if (pattern == null) {
                  // TODO(sigurdm) implement: Create a span for the annotation
  