import { IndexedFormula, NamedNode } from "rdflib";
import { Contact, Group } from "../../index.js";
export declare class AddressBookQuery {
    private store;
    addressBookNode: NamedNode;
    private addressBookDoc;
    constructor(store: IndexedFormula, addressBookNode: NamedNode);
    proposeNewContactNode(): NamedNode;
    proposeNewGroupNode(): NamedNode;
    private proposeNewNode;
    queryTitle(): string;
    queryNameEmailIndex(): NamedNode | null;
    queryContacts(): Contact[];
    queryGroupIndex(): NamedNode | null;
    queryGroups(): Group[];
}