/// <reference types="node" />
import { RabbitmqMessage } from './RabbitmqEvent';
import { DfnsMessage } from '.';
export declare const getKeyId: () => string;
export declare const getMessageAsBuffer: (message: DfnsMessage) => Buffer;
export declare const parseMessageFromBase64String: (base64Message: string) => DfnsMessage;
export declare const signDfnsMessage: (message: DfnsMessage) => Promise<string>;
export declare const isValidSignature: (signature: string, message: string, publisherServiceName: string) => Promise<boolean>;
export declare const getDeadLetterQueueName: (queueName: string) => string;
export declare const getRedeliveredCount: (message: RabbitmqMessage) => number;
