import { DataFactory, BaseQuad, Quad, Stream } from 'rdf-js';
import { Query, QueryInit } from '.';
import { Readable } from 'stream';

declare namespace StreamQuery {
    interface StreamQueryInit<Q extends BaseQuad = Quad> extends QueryInit {
        factory?: DataFactory<Q>;
    }

    type StreamQuery<Q extends BaseQuad = Quad> = Query<boolean, Stream<Q>, Readable, void>;
}

interface StreamQuery<Q extends BaseQuad = Quad> extends StreamQuery.StreamQuery<Q> {}

// tslint:disable-next-line no-unnecessary-class
declare class StreamQuery<Q extends BaseQuad = Quad> {
    constructor(options: StreamQuery.StreamQueryInit<Q>);
}

export = StreamQuery;