import { MixinTarget } from '@bleco/mixin';
import { Model } from '@loopback/repository';
export declare function TimestampModelMixin<T extends MixinTarget<Model>>(superClass: T): {
    new (...args: any[]): {
        createdAt?: Date;
        updatedAt?: Date;
        toJSON: () => Object;
        toObject: (options?: import("@loopback/repository").Options) => Object;
    };
} & T;
export interface TimestampModel {
    createdAt?: Date;
    updatedAt?: Date;
}