anchor.diff:    Future<ErrorOr<List<Either2<Command, CodeAction>>>> _getCodeActions(
       OperationPerformanceImpl performance,
       bool Function(CodeActionKind?) shouldIncludeKind,
  +    bool Function(CodeActionKind?) shouldIncludeAnyOfKind,
       bool supportsLiterals,
       bool supportsWorkspaceApplyEdit,
       Set<DiagnosticTag> supportedDiagnosticTags,
  
positive.code:       // advertised that they provided the kinds).
        if (supportsLiteralCodeActions && !supportedKinds.any(isMatch)) {
          return false;
        }
  
        return true;
  
negative.code: 
      final unit = await path.mapResult(requireResolvedUnit);
  
      /// Whether a fix of kind [kind] should be included in the results.
      ///
      /// Unlike [shouldIncludeAnyOfKind], this function is called with a more
      /// specific action kind and answers the question "Should we include this
      /// specific fix kind?".
      bool shouldIncludeKind(CodeActionKind? kind) {
        /// Checks whether the kind matches the [wanted] kind.
        ///
  