Added annotation

Author: davedbase

packages/timer/src/index.ts

@@ -184,6 +184,7 @@ export function createPolled<T extends P, I = T, P = T>(
   value: I,
   options?: SignalOptions<T>,
 ): Accessor<T>;
+/** @internal implementation signature for the overloads above */
 export function createPolled<T>(
   fn: (prev: T | undefined) => T,
   timeout: TimeoutSource,