import { Request, Response } from 'express';
import { BackgroundInfo } from 'sonolus-core';
import { ItemsConfig, Sonolus } from '../../sonolus';
import { ListHandler } from '../list';
export type BackgroundListHandler<TLevels extends ItemsConfig, TSkins extends ItemsConfig, TBackgrounds extends ItemsConfig, TEffects extends ItemsConfig, TParticles extends ItemsConfig, TEngines extends ItemsConfig, T> = ListHandler<TLevels, TSkins, TBackgrounds, TEffects, TParticles, TEngines, T, BackgroundInfo>;
export declare const defaultBackgroundListHandler: <TLevels extends ItemsConfig, TSkins extends ItemsConfig, TBackgrounds extends ItemsConfig, TEffects extends ItemsConfig, TParticles extends ItemsConfig, TEngines extends ItemsConfig>(sonolus: Sonolus<TLevels, TSkins, TBackgrounds, TEffects, TParticles, TEngines>, query: Record<string, unknown>, page: number) => {
    pageCount: number;
    infos: BackgroundInfo[];
};
export declare const filterBackgroundInfosByKeywords: (infos: BackgroundInfo[], keywords: string) => BackgroundInfo[];
export declare const backgroundListRouteHandler: <TLevels extends ItemsConfig, TSkins extends ItemsConfig, TBackgrounds extends ItemsConfig, TEffects extends ItemsConfig, TParticles extends ItemsConfig, TEngines extends ItemsConfig>(sonolus: Sonolus<TLevels, TSkins, TBackgrounds, TEffects, TParticles, TEngines>, req: Request, res: Response) => Promise<void>;