import { NamedNode } from 'rdf-data-factory';
export declare const RDFS: {
    CLASS: NamedNode<string>;
    LABEL: NamedNode<string>;
    COMMENT: NamedNode<string>;
    DOMAIN: NamedNode<string>;
    RANGE: NamedNode<string>;
    RESOURCE: NamedNode<string>;
    SUBPROPERTY_OF: NamedNode<string>;
    SUBCLASS_OF: NamedNode<string>;
};