import 'reflect-metadata';
/**
 * CSV 列映射装饰器
 * 用于标记 DTO 类的属性对应的 CSV 列名
 *
 * @example
 * ```typescript
 * class UserDto {
 *   @CsvColumn('姓名')
 *   name: string;
 *
 *   @CsvColumn('邮箱')
 *   email: string;
 * }
 * ```
 */
export declare function CsvColumn(columnName: string): PropertyDecorator;
/**
 * 获取 CSV 列映射
 */
export declare function getCsvColumnMapping(dto: any): Record<string, string>;
/**
 * 解析并验证 CSV 数据
 */
export declare function parseAndValidateCsvData(data: any[], dto: any, options?: {
    skipValidation?: boolean;
}): Promise<{
    data: any[];
    errors: any[];
}>;