diff --git a/sig/lib/appium_lib_core/android.rbs b/sig/lib/appium_lib_core/android.rbs
new file mode 100644
index 00000000..d677b1a8
--- /dev/null
+++ b/sig/lib/appium_lib_core/android.rbs
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# This file only contains require statements and does not define any classes or modules.
+# No type signatures needed.
diff --git a/sig/lib/appium_lib_core/android/uiautomator2/device.rbs b/sig/lib/appium_lib_core/android/uiautomator2/device.rbs
new file mode 100644
index 00000000..1e96b434
--- /dev/null
+++ b/sig/lib/appium_lib_core/android/uiautomator2/device.rbs
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Appium
+  module Core
+    module Android
+      module Uiautomator2
+        module Device
+          extend Forwardable
+
+          def self.extended: (untyped _mod) -> void
+        end
+      end
+    end
+  end
+end
diff --git a/sig/lib/appium_lib_core/android_espresso.rbs b/sig/lib/appium_lib_core/android_espresso.rbs
new file mode 100644
index 00000000..d677b1a8
--- /dev/null
+++ b/sig/lib/appium_lib_core/android_espresso.rbs
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# This file only contains require statements and does not define any classes or modules.
+# No type signatures needed.
diff --git a/sig/lib/appium_lib_core/android_uiautomator2.rbs b/sig/lib/appium_lib_core/android_uiautomator2.rbs
new file mode 100644
index 00000000..d677b1a8
--- /dev/null
+++ b/sig/lib/appium_lib_core/android_uiautomator2.rbs
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# This file only contains require statements and does not define any classes or modules.
+# No type signatures needed.
diff --git a/sig/lib/appium_lib_core/common.rbs b/sig/lib/appium_lib_core/common.rbs
new file mode 100644
index 00000000..d677b1a8
--- /dev/null
+++ b/sig/lib/appium_lib_core/common.rbs
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# This file only contains require statements and does not define any classes or modules.
+# No type signatures needed.
diff --git a/sig/lib/appium_lib_core/common/base.rbs b/sig/lib/appium_lib_core/common/base.rbs
new file mode 100644
index 00000000..d677b1a8
--- /dev/null
+++ b/sig/lib/appium_lib_core/common/base.rbs
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# This file only contains require statements and does not define any classes or modules.
+# No type signatures needed.
diff --git a/sig/lib/appium_lib_core/ios_xcuitest.rbs b/sig/lib/appium_lib_core/ios_xcuitest.rbs
new file mode 100644
index 00000000..d677b1a8
--- /dev/null
+++ b/sig/lib/appium_lib_core/ios_xcuitest.rbs
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# This file only contains require statements and does not define any classes or modules.
+# No type signatures needed.
diff --git a/sig/lib/appium_lib_core/mac2.rbs b/sig/lib/appium_lib_core/mac2.rbs
new file mode 100644
index 00000000..d677b1a8
--- /dev/null
+++ b/sig/lib/appium_lib_core/mac2.rbs
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# This file only contains require statements and does not define any classes or modules.
+# No type signatures needed.
diff --git a/sig/lib/appium_lib_core/windows.rbs b/sig/lib/appium_lib_core/windows.rbs
new file mode 100644
index 00000000..d677b1a8
--- /dev/null
+++ b/sig/lib/appium_lib_core/windows.rbs
@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+# This file only contains require statements and does not define any classes or modules.
+# No type signatures needed.