import * as amqplib from 'amqplib';
export declare enum MessageHandlerErrorBehavior {
    ACK = 0,
    NACK = 1,
    REQUEUE = 2
}
export { ConsumeMessage, Options } from 'amqplib';
export declare type MessageErrorHandler = (channel: amqplib.Channel, msg: amqplib.ConsumeMessage, error: any) => Promise<void> | void;
/**
 * An error handler that will ack the message which caused an error during processing
 */
export declare const ackErrorHandler: MessageErrorHandler;
/**
 * An error handler that will nack and requeue a message which created an error during processing
 */
export declare const requeueErrorHandler: MessageErrorHandler;
/**
 * An error handler that will nack a message which created an error during processing
 */
export declare const defaultNackErrorHandler: MessageErrorHandler;
export declare const getHandlerErrorBehavior: (behavior: MessageHandlerErrorBehavior) => MessageErrorHandler;