import { EncodeStream } from '../encode-stream';
import { TypeType } from '../types/type-type';
import { Type } from '../types/types';
import { Value } from './types';
export declare class TypeValue implements Value {
    value: Type | null;
    type: typeof TypeType;
    constructor(value?: Type | null);
    isUnset(): boolean;
    toString(): string;
    serialize(stream: EncodeStream): import("../zjson").NoId<import("../zjson").Type> | null;
    toJS(): string | null;
}