/**
 * @fileoverview 业务异常基类
 * @description 所有业务异常的基类，继承自 HttpException，用于统一异常处理
 */
import { HttpException, HttpStatus } from '@nestjs/common';
/**
 * 业务异常基类
 * @description 用于统一业务异常的格式和状态码
 *
 * @example
 * ```typescript
 * throw new BusinessException('操作失败', HttpStatus.BAD_REQUEST);
 * throw new BusinessException('资源不存在', 40004); // 自定义错误码
 * ```
 */
export declare class BusinessException extends HttpException {
    /**
     * 创建业务异常实例
     * @param message - 异常消息
     * @param status - HTTP 状态码或自定义错误码，默认为 400
     */
    constructor(message: string, status?: HttpStatus | number);
}
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