/// <reference types="node" />
export declare class Message {
    readonly body: Buffer;
    readonly contentType: string;
    readonly contentEncoding: string;
    readonly properties: Record<string, any>;
    readonly headers: Record<string, any>;
    private _decode;
    constructor(body: Buffer, contentType: string, contentEncoding: string, properties: Record<string, any>, headers: Record<string, any>);
    decode(): Record<string, any>;
}