import type { Quad } from '@rdfjs/types';
import type { QuintStore } from '../quint/types';
import type { RdfPatternQuery, RdfShadowDiff, RdfShadowScanResult } from './types';
import { RdfQuadIndex } from './RdfQuadIndex';
export declare class RdfShadowComparator {
    private readonly primary;
    private readonly compatibility;
    constructor(primary: RdfQuadIndex, compatibility: QuintStore);
    compareScan(query: RdfPatternQuery): Promise<RdfShadowScanResult>;
}
export declare function diffQuads(primary: Quad[], compatibility: Quad[]): RdfShadowDiff;
export declare function canonicalQuadKey(quad: Quad): string;