import { BaseParamRule } from "./api_ctx";
/**
 * 值类型的类属性注解
 * @param rule
 * @constructor
 */
export declare function DtoField(rule?: BaseParamRule): (target: any, propKey: string) => void;
/**
 * 值类型-的类判断
 * @param type
 * @constructor
 */
export declare function DtoIs(type: any): boolean;
/**
 * 值类型-类实例化，转换规则不符合则返回NULL
 * @param type
 * @param _data
 * @param _throw
 * @constructor
 */
export declare function DtoConvert(type: any, _data: any, _throw?: boolean): any;