Function connect

__tests__/workerd.test.ts:306–308

(callback: { increment(): Promise<number> })

    let vendor = wrapServerTarget(
      {
        connect(callback: { increment(): Promise<number> }): Promise<number> {
          return account.callCounter(callback);
        },
        connectNested(value: {
          callback: { increment(): Promise<number> };
        }): Promise<number> {