import { Context, Session } from "koishi";
import type { GenerateTextResult } from "xsai";
import { Scenario } from "../services/scenario/Scenario";
/**
 * 会话状态枚举
 * 简化为三个核心状态
 */
export declare enum ConversationState {
    IDLE = 0,// 空闲状态，等待新消息触发
    PROCESSING = 1,// 处理中状态
    RESPONDING = 2
}
/**
 * 消息上下文
 * 在中间件链中传递的上下文对象
 */
export declare class MessageContext {
    koishiContext: Context;
    koishiSession: Session;
    allowedChannels: string[];
    state: ConversationState;
    llmResponse?: GenerateTextResult;
    processedResponse?: string[];
    isMentioned: boolean;
    heartbeatCount: number;
    currentScenario: Scenario;
    constructor(koishiContext: Context, koishiSession: Session, allowedChannels: string[]);
    /**
     * 转换会话状态
     */
    transitionTo(newState: ConversationState): Promise<void>;
}
/**
 * 中间件接口
 */
export declare abstract class Middleware {
    readonly name: string;
    protected readonly ctx: Context;
    protected readonly services: any;
    protected readonly config: any;
    constructor(name: string, ctx: Context, services?: any, config?: any);
    abstract execute(ctx: MessageContext, next: () => Promise<void>): Promise<void>;
}
/**
 * 中间件管理器
 * 负责注册和执行中间件链
 */
export declare class MiddlewareManager {
    middlewares: Middleware[];
    /**
     * 注册中间件
     */
    use(middleware: Middleware): this;
    /**
     * 执行中间件链
     */
    execute(ctx: MessageContext): Promise<void>;
    /**
     * 从指定位置开始执行中间件链
     */
    executeFrom(ctx: MessageContext, startIndex: number): Promise<void>;
    /**
     * 获取指定名称的中间件
     */
    getMiddleware<T extends Middleware>(name: string): T | undefined;
    findIndex(name: string): number;
}