import { Context } from "koishi";
import { ScenarioManager } from "../services/scenario/ScenarioManager";
import { ImageProcessor } from "../utils/imageProcessor";
import { MessageContext, Middleware } from "./base";
/**
 * 数据库存储中间件
 */
export declare class DatabaseStorageMiddleware extends Middleware {
    protected ctx: Context;
    protected services: {
        imageProcessor: ImageProcessor;
        scenarioManager: ScenarioManager;
    };
    constructor(ctx: Context, services: {
        imageProcessor: ImageProcessor;
        scenarioManager: ScenarioManager;
    });
    execute(ctx: MessageContext, next: () => Promise<void>): Promise<void>;
    private saveReceivedMessage;
}