export interface RabbitMQMessage {
    properties?: {
        messageId?: string;
        type?: string;
        contentType?: string;
        contentEncoding?: string;
        deliveryMode?: number;
        priority?: number;
        correlationId?: string;
        replyTo?: string;
        expiration?: string;
        timestamp?: number;
        userId?: string;
        appId?: string;
        headers?: Record<string, unknown>;
        [key: string]: unknown;
    };
    fields?: {
        deliveryTag?: number;
        redelivered?: boolean;
        exchange?: string;
        routingKey?: string;
        [key: string]: unknown;
    };
    content?: Buffer;
    [key: string]: unknown;
}
export declare function isRabbitMQMessage(value: unknown): value is RabbitMQMessage;
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