1diff -ru old/libunity/src/unity-aggregator-scope.vala libunity/src/unity-aggregator-scope.vala
2--- old/libunity/src/unity-aggregator-scope.vala 1969-12-31 19:00:01.000000000 -0500
3+++ libunity/src/unity-aggregator-scope.vala 2019-09-21 17:06:12.663864891 -0400
4@@ -51,7 +51,7 @@
5 */
6 public abstract int category_index_for_scope_id (string scope_id);
7
8- public AggregatorScope (string dbus_path_, string id_, MergeMode merge_mode = AggregatorScope.MergeMode.OWNER_SCOPE, bool proxy_filter_hints = false)
9+ protected AggregatorScope (string dbus_path_, string id_, MergeMode merge_mode = AggregatorScope.MergeMode.OWNER_SCOPE, bool proxy_filter_hints = false)
10 {
11 Object (dbus_path: dbus_path_, id: id_, is_master: true,
12 merge_mode: merge_mode, proxy_filter_hints: proxy_filter_hints);
13diff -ru old/libunity/src/unity-deprecated-scope.vala libunity/src/unity-deprecated-scope.vala
14--- old/libunity/src/unity-deprecated-scope.vala 1969-12-31 19:00:01.000000000 -0500
15+++ libunity/src/unity-deprecated-scope.vala 2019-09-21 17:06:39.721627805 -0400
16@@ -61,7 +61,7 @@
17 internal CategorySet _categories;
18 internal FilterSet _filters;
19
20- public DeprecatedScopeBase (string dbus_path_, string id_)
21+ protected DeprecatedScopeBase (string dbus_path_, string id_)
22 {
23 Object (dbus_path: dbus_path_, id: id_);
24 }
25diff -ru old/libunity/tools/preview-renderer.vala libunity/tools/preview-renderer.vala
26--- old/libunity/tools/preview-renderer.vala 1969-12-31 19:00:01.000000000 -0500
27+++ libunity/tools/preview-renderer.vala 2019-09-21 17:09:16.201522110 -0400
28@@ -63,7 +63,7 @@
29 */
30 public abstract class GridRenderer: PreviewRenderer
31 {
32- public GridRenderer()
33+ protected GridRenderer()
34 {
35 Object();
36 }