import { Constructable } from '@microsoft/fast-element';
/**
 * @internal
 */
export declare const ISO8601: RegExp;
/**
 * @internal
 */
export declare const NaNSymbol = "$NaN";
/**
 * @internal
 */
type Deserializable = Constructable | {
    prototype: any;
    fromJSON(options: any): any;
};
/**
 * @internal
 */
export declare const getType: (typeId: string) => Deserializable;
/**
 * @internal
 */
export declare const getTypeId: (object: any) => string | undefined;
export {};
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