import { Quad_Subject, Quad_Object } from "@rdfjs/types";
import { Store } from "./store";
/**
 * Parameters for matching triples in the store.
 */
export interface QueryOptions {
    /**
     * Indicates if inferred triples should be included in the result. If `undefined`,
     * the default value is `true` when a reasoner associated with the store and `false` otherwise.
     */
    includeInferred?: boolean;
}
/**
 * Parameters for querying resources in the store that have an explicitly asserted type in the document.
 */
export interface DefinitionQueryOptions extends QueryOptions {
    /**
     * URI of the vocabulary that defines the resources. If `null`, returns only resources that have no `rdfs:isDefinedBy` property.
     */
    definedBy?: string | null;
    /**
     * URIs of the vocabularies in which the resources must not be defined, either by sharing a namespace or by `rdfs:isDefinedBy`.
     */
    notDefinedBy?: Set<string>;
    /**
     * Indicate if terms what are not *defined* in the ontology should be included in the result (default: false).
     */
    includeReferenced?: boolean;
    /**
     * Indicate if blank nodes should be included in the result (default: false).
     */
    includeBlankNodes?: boolean;
}
/**
 * Parameters for store queries that support filtering on the type of resource.
 */
export interface TypedInstanceQueryOptions extends QueryOptions {
    /**
     * Indicate if instances of a subclasses of the type should be included in the result.
     */
    includeSubTypes?: boolean;
}
/**
 * Maps a language tag to the number of occurrences in the document.
 */
export interface LanguageTagUsageStats {
    [key: string]: number;
}
/**
 * Maps a predicate IRI to information about its usage in the document.
 */
export interface PredicateUsageStats {
    [key: string]: PredicateUsageInfo;
}
/**
 * Information about the usage of a single predicate in a document.
 */
export interface PredicateUsageInfo {
    /**
     * The predicate IRI.
     */
    predicateIri: string;
    /**
     * The set of subjects that use the predicate.
     */
    subjects: Set<string>;
    /**
     * The number of occurrences of the predicate in a document.
     */
    usageFrequency: number;
    /**
     * Information about the language tags used in the object of triples with the predicate.
     */
    languageTags: {
        [key: string]: number;
    };
}
/**
 * A repository for retrieving resources from graphs.
 */
export declare class ResourceRepository {
    /**
     * The RDF triple store.
     */
    readonly store: Store;
    constructor(store: Store);
    /**
     * Inidiates if a node should not be included in the result of a definition query.
     * @param graphUris URIs of the graphs to search.
     * @param subject The focus node.
     * @param options Definition query options.
     * @param optionDefaults Custom default values for the query options.
     * @returns
     */
    protected skip(graphUris: string | string[] | undefined, subject: Quad_Subject | Quad_Object, options?: DefinitionQueryOptions, optionDefaults?: DefinitionQueryOptions): boolean;
    /**
     * Indicate if a given URI exists as the subject of a triple in the graph.
     * @param graphUris URIs of the graphs to search.
     * @param subjectUri URI of the subject to search for.
     * @returns true if the URI is a subject, false otherwise.
     */
    hasSubject(graphUris: string | string[] | undefined, subjectUri: string | Quad_Subject | Quad_Object): boolean;
    /**
     * Indicate if a node is explicitly defined by the given URI using the `rdfs:isDefinedBy` property, or implicitly by sharing the same namespace.
     * @param graphUris URIs of the graphs to search.
     * @param node A named node to check if it is defined by the given URI.
     * @param definedBy URI of the vocabulary that defines the resource (rdfs:isDefinedBy). Provide `null` to only return resources that have no `rdfs:isDefinedBy` property.
     * @returns `true` if the node is defined by the given URI, `false` otherwise.
     */
    isDefinedBy(graphUris: string | string[] | undefined, node: Quad_Subject, definedBy: string | null): boolean;
    /**
     * Indicate if a resource has a given type in the graph.
     * @param graphUris URIs of the graphs to search.
     * @param subjectUri URI or blank node id of the subject to match.
     * @param typeUri URI of the type to match.
     * @param options Optional query parameters.
     * @returns `true` if the resource has the type, `false` otherwise.
     */
    hasType(graphUris: string | string[] | undefined, subjectUri: string, typeUri: string, options?: QueryOptions): boolean;
    /**
     * Get information about the usage of predicates in the document such as the frequency of use and the use of language tags.
     * @param graphUris URIs of the graphs to search.
     * @param predicateUris URIs of the predicates to match.
     */
    getPredicateUsageStats(graphUris: string | string[] | undefined, predicateUris?: string[] | undefined): PredicateUsageStats;
    /**
     * Get the language tags used in the object of triples with a given set of predicates.
     * @param graphUris URIs of the graphs to search.
     * @param predicateUris URIs of the predicates to match.
     * @returns An array of language tag statistics, sorted by the number of occurrences in descending order.
     */
    getLanguageTagUsageStats(graphUris: string | string[] | undefined): LanguageTagUsageStats;
    /**
     * Get the most frequently used language tag in the object of triples with a given set of predicates.
     * @param graphUris URIs of the graphs to search.
     */
    getMostFrequentLanguageTag(graphUris: string | string[] | undefined): string | undefined;
}