import { MessagerService } from '@farris/ui-messager';
import { LanguageService } from '../languag.service';
import { ExceptionLevel } from './types';
import { IExceptionStrategy } from './exception_strategy';
export declare class ExceptionFactory {
    messagerService: MessagerService;
    private languageService;
    /**
     * 异常工厂实例
     */
    private static exceptionFactory;
    /**
     * 构造函数
     * @param messagerService 消息服务
     * @param languageService 多语言服务
     */
    private constructor();
    /**
     * 获取工厂实例
     * @param messagerService 消息服务
     * @param languageService 多语言服务
     */
    static getInstance(messagerService: MessagerService, languageService: LanguageService): ExceptionFactory;
    /**
     * 获取异常处理策略
     * @param exceptionLevel 异常等级
     */
    getExceptionHandleStrategy(exceptionLevel: ExceptionLevel): IExceptionStrategy;
}