import type { Relationship, RelationshipProperties } from "../_Relationship.js";
import type { RelationshipFactory } from "./RelationshipFactory.js";
/**
 * Default implementation of
 * {@link data/support/RelationshipFactory!RelationshipFactory} that creates
 * built-in API relationship types.
 */
export declare class DefaultRelationshipFactory implements RelationshipFactory {
    /**
     * Singleton instance of this type.
     */
    static instance: DefaultRelationshipFactory;
    /**
     * @inheritDoc
     */
    create(properties: RelationshipProperties): Relationship;
}
