import { AnyParamConstructor } from '@typegoose/typegoose/lib/types';
import { PipelineStage } from 'mongoose';
import { ExoAggrSuper } from '../ExoAggrSuper';
import { ASProjection } from './accessories/ASProjection';
export declare class AggrStageProject<T extends AnyParamConstructor<any>> extends ASProjection<T> {
    constructor($aggr: ExoAggrSuper<T>);
    get pipes(): PipelineStage[];
    clone($aggr: ExoAggrSuper<T>): AggrStageProject<T>;
}