import type { Source, Stream, Term } from '@rdfjs/types';
import { type RdfAccessScope } from './RdfAccessScope';
import type { RdfEngineLike } from './types';
export interface RdfEngineRdfJsSourceOptions {
    accessScope?: RdfAccessScope;
    signal?: AbortSignal;
}
export declare class RdfEngineRdfJsSource implements Source {
    private readonly rdfEngine;
    private readonly options;
    constructor(rdfEngine: RdfEngineLike, options?: RdfEngineRdfJsSourceOptions);
    match(subject?: Term | null, predicate?: Term | null, object?: Term | null, graph?: Term | null): Stream;
    countQuads(subject?: Term | null, predicate?: Term | null, object?: Term | null, graph?: Term | null): Promise<number>;
}