import type { Pipe } from './index';
import { SendType } from '../interface/send';
import type Core from '../core';
/**
 * 创建按from字段分组的管道
 * 统一处理所有类型日志的from字段分组逻辑
 */
export declare const createGroupByFromPipe: (aegis: Core, logType: SendType | undefined) => Pipe;