fix: types

Author: massi-ang

packages/node-http-handler/src/timing.ts

@@ -3,6 +3,6 @@
  * For test spies.
  */
 export const timing = {
-  setTimeout: (cb, timeout) => setTimeout(cb, timeout),
-  clearTimeout: (id) => clearTimeout(id),
+  setTimeout: (cb: () => void, ms?: number) => setTimeout(cb, ms),
+  clearTimeout: (timeoutId: NodeJS.Timeout | string | number | undefined) => clearTimeout(timeoutId),
 };