diff --git a/Makefile b/Makefile
index ec8354c..3363fc7 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 .PHONY: *
 
-TSC_SCRIPT_FLAGS = --lib es2020 ./src/extern.d.ts
+TSC_SCRIPT_FLAGS = --lib es2020 ./src/extern/qt.d.ts
 
 config:
 	mkdir -p ./package/contents/config
diff --git a/src/extern.d.ts b/src/extern.d.ts
deleted file mode 100644
index 3a027b3..0000000
--- a/src/extern.d.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-declare const qmlBase;
-declare const notificationInvalidWindowRules;
-declare const console;
-declare const KWin;
-declare const Qt;
-declare const workspace;
-declare const options;
-
-type AbstractClient = any;
-type TopLevel = any;
-type X11Client = any;
-type Tile = any;
-type QRect = any;
-type QSignal = any;
-type QQmlTimer = any;
diff --git a/src/extern/global.d.ts b/src/extern/global.d.ts
new file mode 100644
index 0000000..25aede2
--- /dev/null
+++ b/src/extern/global.d.ts
@@ -0,0 +1,6 @@
+declare const qmlBase;
+declare const notificationInvalidWindowRules: Notification;
+
+type Notification = {
+    sendEvent(): void;
+}
diff --git a/src/extern/kwin.d.ts b/src/extern/kwin.d.ts
new file mode 100644
index 0000000..b7f888e
--- /dev/null
+++ b/src/extern/kwin.d.ts
@@ -0,0 +1,7 @@
+declare const KWin;
+declare const workspace;
+
+type AbstractClient = any;
+type TopLevel = any;
+type X11Client = any;
+type Tile = any;
diff --git a/src/extern/qt.d.ts b/src/extern/qt.d.ts
new file mode 100644
index 0000000..73c9c16
--- /dev/null
+++ b/src/extern/qt.d.ts
@@ -0,0 +1,6 @@
+declare const console;
+declare const Qt;
+
+type QRect = any;
+type QSignal = any;
+type QQmlTimer = any;