import { Constructor } from "type-fest";
import { TASONTypeInfo } from "../TASONTypeInfo";
export declare const TASONTypeNameKey = "tason:type";
export declare const TASONTypeInfoKey = "tason:type-info";
export declare function setTypeName<T>(ctor: Constructor<T>, name: string): void;
export declare function TASONType(name: string, typeInfo?: Omit<TASONTypeInfo<any>, "ctor">): ClassDecorator;
export declare function getDeclaredType(value: object): [string, TASONTypeInfo<any> | undefined] | undefined;
export declare const TypeDiscriminatorKey: unique symbol;
/** 类型判别器，让类实例支持多态序列化 */
export interface TASONTypeDiscriminator {
    [TypeDiscriminatorKey]: () => string;
}