diff --git a/src/SLCore/Core/ISLCoreListener.cs b/src/SLCore/Core/ISLCoreListener.cs
new file mode 100644
index 0000000000..5606d70d4d
--- /dev/null
+++ b/src/SLCore/Core/ISLCoreListener.cs
@@ -0,0 +1,26 @@
+/*
+ * SonarLint for Visual Studio
+ * Copyright (C) 2016-2023 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+namespace SonarLint.VisualStudio.SLCore.Core
+{
+    public interface ISLCoreListener
+    {
+    }
+}
diff --git a/src/SLCore/Core/ISLCoreService.cs b/src/SLCore/Core/ISLCoreService.cs
new file mode 100644
index 0000000000..ef33a7ee4f
--- /dev/null
+++ b/src/SLCore/Core/ISLCoreService.cs
@@ -0,0 +1,26 @@
+/*
+ * SonarLint for Visual Studio
+ * Copyright (C) 2016-2023 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+namespace SonarLint.VisualStudio.SLCore.Core
+{
+    public interface ISLCoreService
+    {
+    }
+}