import { MessageAttributes } from '../types';
import { PublishContext } from '../types';
/**
 * Interface for message enrichers.
 * Enrichers add metadata attributes to messages before publishing.
 */
export interface MessageEnricher {
    /**
     * Enrich a message with additional metadata attributes.
     *
     * @param message - The message being published
     * @param context - The publish context containing runtime information
     * @returns Promise resolving to message attributes to add to the message
     */
    enrich(message: any, context: PublishContext): Promise<MessageAttributes>;
    /**
     * Get the priority for this enricher's execution order.
     * Lower values execute earlier. Default is 100 if not specified.
     *
     * @returns Priority number (lower = earlier execution)
     */
    getPriority?(): number;
}
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