export declare const owl: {
    readonly $namespace: "http://www.w3.org/2002/07/owl#";
    readonly Class: "http://www.w3.org/2002/07/owl#Class";
    readonly DatatypeProperty: "http://www.w3.org/2002/07/owl#DatatypeProperty";
    readonly ObjectProperty: "http://www.w3.org/2002/07/owl#ObjectProperty";
};
export declare const rdf: {
    readonly $namespace: "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
    readonly Property: "http://www.w3.org/1999/02/22-rdf-syntax-ns#Property";
    readonly langString: "http://www.w3.org/1999/02/22-rdf-syntax-ns#langString";
    readonly type: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type";
    readonly JSON: "http://www.w3.org/1999/02/22-rdf-syntax-ns#JSON";
};
export declare const rdfs: {
    readonly $namespace: "http://www.w3.org/2000/01/rdf-schema#";
    readonly Class: "http://www.w3.org/2000/01/rdf-schema#Class";
    readonly label: "http://www.w3.org/2000/01/rdf-schema#label";
    readonly subClassOf: "http://www.w3.org/2000/01/rdf-schema#subClassOf";
};
export declare const schema: {
    readonly $namespace: "http://schema.org/";
    readonly thumbnailUrl: "http://schema.org/thumbnailUrl";
};
export declare const xsd: {
    readonly $namespace: "http://www.w3.org/2001/XMLSchema#";
    readonly string: "http://www.w3.org/2001/XMLSchema#string";
};
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