import { CommonSubscriber } from '@servicelabsco/nestjs-utility-services';
import { DataSource, InsertEvent } from 'typeorm';
import { EmailMessageEntity } from '../entities/email.message.entity';
export declare class EmailMessageSubscriber extends CommonSubscriber<EmailMessageEntity> {
    private readonly dataSource;
    constructor(dataSource: DataSource);
    listenTo(): typeof EmailMessageEntity;
    beforeInsert(event: InsertEvent<EmailMessageEntity>): Promise<void>;
}