import PolymorphicSchema from './Polymorphic.js';
import { IDenormalizeDelegate, INormalizeDelegate } from '../interface.js';
/**
 * Represents polymorphic values.
 * @see https://dataclient.io/rest/api/Union
 */
export default class UnionSchema extends PolymorphicSchema {
    protected readonly _hoistable: true;
    constructor(definition: any, schemaAttribute: any);
    normalize(input: any, parent: any, key: any, delegate: INormalizeDelegate): any;
    denormalize(input: {}, delegate: IDenormalizeDelegate): any;
    queryKey(args: any, unvisit: (schema: any, args: any) => any): {
        id: any;
        schema: any;
    } | undefined;
}
//# sourceMappingURL=Union.d.ts.map