import { NamedNode } from 'rdf-js';
declare const _default: {
    DoubleBlindedTrial: NamedNode<"http://schema.org/DoubleBlindedTrial">;
    InternationalTrial: NamedNode<"http://schema.org/InternationalTrial">;
    MultiCenterTrial: NamedNode<"http://schema.org/MultiCenterTrial">;
    OpenTrial: NamedNode<"http://schema.org/OpenTrial">;
    PlaceboControlledTrial: NamedNode<"http://schema.org/PlaceboControlledTrial">;
    RandomizedTrial: NamedNode<"http://schema.org/RandomizedTrial">;
    SingleBlindedTrial: NamedNode<"http://schema.org/SingleBlindedTrial">;
    SingleCenterTrial: NamedNode<"http://schema.org/SingleCenterTrial">;
    TripleBlindedTrial: NamedNode<"http://schema.org/TripleBlindedTrial">;
};
export default _default;
export declare type MedicalTrialDesign = NamedNode<'http://schema.org/DoubleBlindedTrial'> | NamedNode<'http://schema.org/InternationalTrial'> | NamedNode<'http://schema.org/MultiCenterTrial'> | NamedNode<'http://schema.org/OpenTrial'> | NamedNode<'http://schema.org/PlaceboControlledTrial'> | NamedNode<'http://schema.org/RandomizedTrial'> | NamedNode<'http://schema.org/SingleBlindedTrial'> | NamedNode<'http://schema.org/SingleCenterTrial'> | NamedNode<'http://schema.org/TripleBlindedTrial'>;
