import type { OpsServer } from '../classes.opsserver.js';
export declare class EmailOpsHandler {
    private opsServerRef;
    constructor(opsServerRef: OpsServer);
    private registerHandlers;
    /**
     * Get all queue items mapped to catalog IEmail format
     */
    private getAllQueueEmails;
    /**
     * Get a single email detail by ID
     */
    private getEmailDetail;
    /**
     * Map a queue item to catalog IEmail format
     */
    private mapQueueItemToEmail;
    /**
     * Map a queue item to catalog IEmailDetail format
     */
    private mapQueueItemToEmailDetail;
    /**
     * Map queue status to catalog TEmailStatus
     */
    private mapStatus;
    /**
     * Format byte size to human-readable string
     */
    private formatSize;
}
