import { MaybePromise } from '../util/promises';
import { URI } from '../util/uri';
import { Index } from './types';
export interface DocumentInfo {
    baseURI: URI;
}
export interface DocumentIndexConfiguration {
    cloned?: boolean;
    retrieve?: (uri: URI) => MaybePromise<any>;
}
export declare abstract class DocumentIndex implements Index<never> {
    readonly cloned: boolean;
    readonly retrieve: (uri: URI) => MaybePromise<any>;
    constructor(configuration: DocumentIndexConfiguration);
    private documentsByURI;
    private infosByDocument;
    root(): any;
    isObjectIndexed(object: object): boolean;
    isURIIndexed(uri: URI): boolean;
    indexedObjectWithURI(uri: URI): any;
    infoForIndexedObject(value: any): DocumentInfo;
    find(uri: URI, options?: {
        followReferences: boolean;
        _uris?: Set<URI>;
    }): any;
    addDocument(document: any, baseURI: URI): any;
    addDocumentWithURI(uri: URI): MaybePromise<any>;
}