import { Effect, Fiber, Semaphore } from "effect"; export type OAuthLoopbackLifecycle = {  start: <A, E>(effect: Effect.Effect<A, E>) => Effect.Effect<A, E>;  cancel: <E>(    invalidation: Effect.Effect<void, E>,    close: Effect.Effect<void>,  ) => Effect.Effect<void, E>;}; export function createOAuthLoopbackLifecycle(): OAuthLoopbackLifecycle {  const semaphore = Semaphore.makeUnsafe(1);  return {    start: (effect) => semaphore.withPermit(effect),    cancel: (invalidation, close) =>      Effect.suspend(() => {        const invalidationFiber = Effect.runFork(invalidation);        return semaphore.withPermit(          close.pipe(Effect.andThen(invalidation), Effect.andThen(Fiber.join(invalidationFiber))),        );      }),  };}