import type * as RDF from "@rdfjs/types";
/** A namespace prefix helper function */
export declare function prefix(namespace: string): (localname: string) => RDF.NamedNode;
export declare const XSD: (localname: string) => RDF.NamedNode;
export declare const RDFNS: (localname: string) => RDF.NamedNode;
export declare const XYZ: (localname: string) => RDF.NamedNode;
export declare const FX: (localname: string) => RDF.NamedNode;
export declare const GEO: (localname: string) => RDF.NamedNode;
export declare const SF: (localname: string) => RDF.NamedNode;