private static void AddFix(CodeFix fix, SuggestedAction suggestedAction, IDictionary <CodeFixGroupKey, IList <SuggestedAction> > map, IList <CodeFixGroupKey> order)
            {
                var diag = fix.GetPrimaryDiagnosticData();

                var groupKey = new CodeFixGroupKey(diag, fix.Action.Priority);

                if (!map.ContainsKey(groupKey))
                {
                    order.Add(groupKey);
                    map[groupKey] = ImmutableArray.CreateBuilder <SuggestedAction>();
                }

                map[groupKey].Add(suggestedAction);
            }
            private static void AddFix(
                CodeFix fix, SuggestedAction suggestedAction,
                IDictionary<CodeFixGroupKey, IList<SuggestedAction>> map,
                ArrayBuilder<CodeFixGroupKey> order)
            {
                var diag = fix.GetPrimaryDiagnosticData();

                var groupKey = new CodeFixGroupKey(diag, fix.Action.Priority);
                if (!map.ContainsKey(groupKey))
                {
                    order.Add(groupKey);
                    map[groupKey] = ImmutableArray.CreateBuilder<SuggestedAction>();
                }

                map[groupKey].Add(suggestedAction);
            }