export declare function promisify<T>(fn: (callback: (err: Error | null, result: T) => void) => void): Promise<T>;
/**
 * promisify for a call that can change data in QuickBooks — every create,
 * update and delete.
 *
 * Identical to promisify apart from arming the write barrier first, which is
 * what tells the auth-retry dispatcher that this attempt can no longer be
 * replayed. Use it for anything that posts; using plain promisify for a write
 * silently opts that tool back into being retried.
 */
export declare function promisifyWrite<T>(fn: (callback: (err: Error | null, result: T) => void) => void): Promise<T>;
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