import { Sequelize, ModelStatic, Model, Optional } from 'sequelize';
import { Attachment } from './Mailer';
export declare class NsqMailQueue extends Model implements IQueueModel {
    id: number;
    email_from: string;
    email_to: string;
    subject: string;
    html: string;
    attachments?: any;
    attempts?: number;
    last_error?: string;
}
declare const _default: (sequelize: Sequelize) => IQueueModelStatic;
export default _default;
export declare type AddQueueModelAttributes = {
    email_from: string;
    email_to: string;
    subject: string;
    html: string;
    attachments?: Attachment[];
};
export declare type QueueModelAttributes = {
    id: number;
    email_from: string;
    email_to: string;
    subject: string;
    html: string;
    worker_uuid: string | null;
    attachments?: any;
    attempts?: number;
    last_error?: string;
};
export declare type IQueueModel = Model<QueueModelAttributes, QueueModelCreationAttributes>;
export declare type IQueueModelStatic = ModelStatic<IQueueModel>;
export declare type QueueModelCreationAttributes = Optional<QueueModelAttributes, 'id'>;
export declare type INsqMailQueue = typeof NsqMailQueue;