diff --git a/archivebox/search/backends/sqlite.py b/archivebox/search/backends/sqlite.py
new file mode 100644
index 00000000..622673b7
--- /dev/null
+++ b/archivebox/search/backends/sqlite.py
@@ -0,0 +1,15 @@
+from typing import List, Generator
+
+from archivebox.util import enforce_types
+
+@enforce_types
+def index(snapshot_id: str, texts: List[str]):
+    pass
+
+@enforce_types
+def search(text: str) -> List[str]:
+    pass
+
+@enforce_types
+def flush(snapshot_ids: Generator[str, None, None]):
+    pass