import { NamedNode } from 'rdf-js';
declare const _default: {
    FDAcategoryA: NamedNode<"http://schema.org/FDAcategoryA">;
    FDAcategoryB: NamedNode<"http://schema.org/FDAcategoryB">;
    FDAcategoryC: NamedNode<"http://schema.org/FDAcategoryC">;
    FDAcategoryD: NamedNode<"http://schema.org/FDAcategoryD">;
    FDAcategoryX: NamedNode<"http://schema.org/FDAcategoryX">;
    FDAnotEvaluated: NamedNode<"http://schema.org/FDAnotEvaluated">;
};
export default _default;
export declare type DrugPregnancyCategory = NamedNode<'http://schema.org/FDAcategoryA'> | NamedNode<'http://schema.org/FDAcategoryB'> | NamedNode<'http://schema.org/FDAcategoryC'> | NamedNode<'http://schema.org/FDAcategoryD'> | NamedNode<'http://schema.org/FDAcategoryX'> | NamedNode<'http://schema.org/FDAnotEvaluated'>;
