import { Store } from "./store";
import { QueryOptions, DefinitionQueryOptions, TypedInstanceQueryOptions } from "./resource-repository";
import { ConceptRepository } from "./concept-repository";
/**
 * A repository for retrieving classes from graphs.
 */
export declare class ClassRepository extends ConceptRepository {
    constructor(store: Store);
    /**
     * Get all classes in the repository.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param options Optional query parameters.
     * @returns An iterator of all classes in the repository.
     */
    getClasses(graphUris: string | string[] | undefined, options?: DefinitionQueryOptions): IterableIterator<string>;
    /**
     * Get the super classes of a given class.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param subjectUri URI of a class.
     * @param options Optional query parameters.
     * @returns An iterator of super classes of the given class.
     */
    getSuperClasses(graphUris: string | string[] | undefined, subjectUri: string, options?: DefinitionQueryOptions): IterableIterator<string>;
    /**
     * Get the first discovered path from a given class to a root class.
     * @param subjectUri URI of a class.
     * @returns An iterator containing the first path that is found from the given class to a root class.
     */
    getRootClassPath(graphUris: string | string[] | undefined, subjectUri: string, options?: DefinitionQueryOptions): IterableIterator<string>;
    /**
     * Recursively find the first path from a given class to a root class.
     * @param subjectUri URI of a class.
     * @param path The current class path.
     * @param backtrack Set of URIs that have already been visited.
     * @returns The first path that is found from the given class to a root class.
     */
    private _getRootClassPath;
    /**
     * Indicate if there are sub classes of a given class.
     * @param subjectUri URI of a class.
     * @returns true if the class has sub classes, false otherwise.
     */
    hasSubClasses(graphUris: string | string[] | undefined, subjectUri: string, options?: DefinitionQueryOptions): boolean;
    /**
     * Get the sub classes of a given class or all root classes.
     * @param subjectUri URI of a class or undefined to get all root classes.
     * @returns An iterator of sub classes of the given class, or root classes if no subject is provided.
     */
    getSubClasses(graphUris: string | string[] | undefined, subjectUri?: string, options?: DefinitionQueryOptions): IterableIterator<string>;
    /**
     * Recursively traverse all sub classes of a given class and invoke a callback.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param superClass The super class to start the traversal from.
     * @param callback A function to call for each sub class. If the function returns `false`, the traversal stops.
     * @param options Optional query parameters.
     * @param visited A set of visited URIs.
     * @returns `true` if the traversal was completed, `false` if it was stopped by the callback.
     */
    private _traverseSubClasses;
    /**
     * Get all sub classes of a given class, including indirect sub classes.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param subjectUri URI of a class.
     * @param options Optional query parameters.
     * @returns An iterator of all sub classes of the given class.
     */
    getAllSubClasses(graphUris: string | string[] | undefined, subjectUri: string, options?: DefinitionQueryOptions): IterableIterator<string>;
    /**
     * Recursively traverse all sub classes of a given class and yield them.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param superClass The super class to start the traversal from.
     * @param options Optional query parameters.
     * @param visited A set of visited URIs.
     */
    private _traverseSubClassesGenerator;
    /**
     * Indicate if there are instances of a given class or any of its sub classes.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param typeUri URI of the class.
     * @param options Optional query parameters.
     * @returns `true` if the class has instances, `false` otherwise.
     */
    hasSubjectsOfType(graphUris: string | string[] | undefined, typeUri: string, options?: DefinitionQueryOptions & TypedInstanceQueryOptions): boolean;
    /**
     * Get all subjects of a given class in the repository.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param typeUri URI of the class.
     * @param options Optional query parameters.
     * @returns An iterator of all subjects of the given class.
     */
    getSubjectsOfType(graphUris: string | string[] | undefined, typeUri: string, options?: DefinitionQueryOptions & TypedInstanceQueryOptions): IterableIterator<string>;
    /**
     * Indicate if a given class is direct or indirect (inferred) sub class of another class.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param subjectUri URI of the sub class.
     * @param classUri URI of the super class.
     * @param options Optional query parameters.
     * @returns `true` if the class is a sub class of the other class, false otherwise.
     */
    isSubClassOf(graphUris: string | string[] | undefined, subjectUri: string, classUri: string, options?: DefinitionQueryOptions): boolean;
    /**
     * Indicate if a given class is the intersection of classes.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param subjectUri URI of a class.
     * @returns `true` if the class is the intersection of classes, `false` otherwise.
     */
    isIntersectionOfClasses(graphUris: string | string[] | undefined, subjectUri: string): boolean;
    private _isIntersectionOfClasses;
    /**
     * Indicate if a given class is a (disjoint) union of classes.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param subjectUri URI of a class.
     * @returns `true` if the class is a (disjoint) union of classes, `false` otherwise.
     */
    isUnionOfClasses(graphUris: string | string[] | undefined, subjectUri: string): boolean;
    private _isUnionOfClasses;
    /**
     * Get all classes from the repository that have no super classes.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param options Optional query parameters.
     * @returns An iterator of root classes in the repository.
     */
    getRootClasses(graphUris: string | string[] | undefined, options?: DefinitionQueryOptions): IterableIterator<string>;
    /**
     * Indicate if there is an equivalent class of a given class.
     * @param graphUris URIs of the graphs to search, `undefined` for the default graph.
     * @param subjectUri URI of a class.
     * @param options Optional query parameters.
     * @returns `true` if the class has an equivalent class, `false` otherwise.
     */
    hasEquivalentClass(graphUris: string | string[] | undefined, subjectUri: string, options?: QueryOptions): boolean;
    /**
     * Indicate if a given class has at least one individual defined for it or for one of its sub classes.
     * @param graphUris Graph URIs to search in, undefined for the default graph.
     * @param classUri URI of a class.
     * @param options Optional query parameters.
     * @returns `true` if the class has individuals, `false` otherwise.
     */
    hasIndividuals(graphUris: string | string[] | undefined, classUri: string, options?: DefinitionQueryOptions): boolean;
    /**
     * Internal method to check for individuals with cycle detection.
     * @param graphUris Graph URIs to search in, undefined for the default graph.
     * @param classUri URI of a class.
     * @param options Optional query parameters.
     * @param backtrack Set of already visited class URIs to prevent cycles.
     * @returns `true` if the class has individuals, `false` otherwise.
     */
    private _hasIndividuals;
}