/**
 * @class
 *
 * @param {String} id - the referenced entity id
 * @param {String} type - the referenced entity type
 */
declare class Reference {
    id: string;
    type: string;
    static parse: (val: any) => Reference | null;
    constructor(id: string, type: string);
    toJSON(): {
        id: string;
        type: string;
    };
}
export default Reference;
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