Class ClassProvider

packages/core/sdk/src/provider-call-timeout.test.ts:133–144

      // is an object literal and cannot notice; a provider written as a class — exactly
      // what "wrap any provider" invites — throws TypeError on the first optional call.
      class ClassProvider {
        readonly key = STORE;
        readonly writable = true;
        private readonly items = new Map<string, string>();
        get(id: ProviderItemId) {
          return Effect.sync(() => this.items.get(String(id)) ?? null);
        }
        set(id: ProviderItemId, value: string) {
          // `this` is the whole point: bare invocation makes this line throw.
          return Effect.sync(() => void this.items.set(String(id), value));
        }
      }

      const executor = yield* createExecutor(
        makeTestConfig({ plugins: [plugin(new ClassProvider() as CredentialProvider)] as const }),