import { AnyParamConstructor } from '@typegoose/typegoose/lib/types';
import { AggrStageFacet } from './AggrStages/AggrStageFacet';
import { ExoAggrSuper } from './ExoAggrSuper';
export declare class ExoAggr<T extends AnyParamConstructor<any>> extends ExoAggrSuper<T> {
    facet(): AggrStageFacet<T>;
    countFacet(): {
        $docs: ExoAggrSuper<T>;
    };
    aggregateCountFacet(): Promise<{
        count: number;
        docs: InstanceType<T>[];
    }>;
}