diff --git a/lib/playwright/page/coverage.ex b/lib/playwright/page/coverage.ex
index 11b87f90..6a210c7d 100644
--- a/lib/playwright/page/coverage.ex
+++ b/lib/playwright/page/coverage.ex
@@ -1,3 +1,16 @@
 defmodule Playwright.Page.Coverage do
   @moduledoc false
+
+  # @spec start_css_coverage(t(), options()) :: :ok
+  # def start_css_coverage(page, options \\ %{})
+
+  # @spec start_js_coverage(t(), options()) :: :ok
+  # def start_js_coverage(page, options \\ %{})
+
+  # @spec stop_css_coverage(t()) :: result()
+  # def stop_css_coverage(page)
+
+  # @spec stop_js_coverage(t()) :: result()
+  # def stop_js_coverage(page)
+
 end