import { SQS } from 'aws-sdk';
import { SendMessageBatchRequestEntry } from 'aws-sdk/clients/sqs';
export declare const sqs: SQS;
export interface EnsureQueueResult {
    queueName: string;
    queueUrl: string;
    queueArn: string;
    topicArns: string[];
    topicNames: string[];
}
/**
 * http://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/SQS.html
 * http://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/SNS.html
 * @param  {string}                     queueName [description]
 * @param  {string[]                =         []}          topicNames [description]
 * @return {Promise<EnsureQueueResult>}           [description]
 */
export declare function ensureQueue(queueName: string, topicNames?: string[]): Promise<EnsureQueueResult>;
/**
 * [receiveMessages description]
 * @param  {string}            queueUrl [description]
 * @param  {SQS.Message[]) =>       void}        callback [description]
 * @return {Promise<void>}              [description]
 */
export declare function receiveMessages(queueUrl: string, callback: (messages: SQS.Message[]) => void): Promise<void>;
/**
 * [deleteMessage description]
 * @param  {string}        queueUrl      [description]
 * @param  {string}        receiptHandle [description]
 * @return {Promise<void>}               [description]
 */
export declare function deleteMessage(queueUrl: string, receiptHandle: string): Promise<void>;
/**
 * Publishes a number of messages to the SQS queue
 * @param queueUrl
 * @param entries
 */
export declare function sendMessageBatch(queueUrl: string, entries: SendMessageBatchRequestEntry[]): Promise<void>;