import * as AWS from 'aws-sdk';
import { Logger } from '../logger';
import { AwsCredentialConfig } from './aws';
export interface SQSClientConfig {
    queueName: string;
    awsCredentials: AwsCredentialConfig;
    sqsQueueConfig: SQSQueueConfig;
    log?: Logger;
}
export interface SQSQueueConfig {
    namePrefix: string;
    visibilityTimeoutSeconds: number;
    messageRetentionSeconds: number;
    pollWaitSeconds: number;
    region: string;
    endpoint?: string;
    timeout?: number;
    connectTimeout?: number;
}
export declare type SQSMessage = AWS.SQS.Message;
export declare class SQSClient {
    private readonly config;
    private readonly awsCredsConfig;
    private readonly log;
    private readonly sqsClient;
    private queueName;
    private queueUrl;
    private queueArn;
    private awsGetQueueAttributes;
    private awsSetQueueAttributes;
    private awsChangeMessageVisibility;
    private awsListQueues;
    private awsCreateQueue;
    private awsReceiveMessage;
    private awsSendMessage;
    private awsDeleteMessage;
    private awsDeleteQueue;
    constructor(queueName: string, config: SQSQueueConfig, awsCredsConfig: AwsCredentialConfig, log?: Logger);
    private awsAttrs;
    private awsAttrsWithTopicWritePermissions;
    private getQueueAttributes;
    /**
     * Resolve true if we had to do any work.
     */
    private verifyQueueAttributes;
    /**
     * Resolve true if we had to do any work.
     */
    findOrCreateQueue(): Promise<boolean>;
    isReady(): boolean;
    deleteQueue(): Promise<boolean>;
    getMessage(): Promise<AWS.SQS.Message>;
    getMessages(maxNumberOfMessages?: number): Promise<AWS.SQS.Message[]>;
    sendMessage(message: any): Promise<AWS.SQS.SendMessageResult>;
    setMessageVisibilitySeconds(receiptHandle: string, visibilityTimeoutSeconds: number): Promise<void>;
    deleteMessage(receiptHandle: string): Promise<void>;
    getOrCreateArn(): Promise<string>;
    private getCallerAwsAccountId;
    addSendMessagesPermissions(): Promise<any>;
}