import { EnkaClient } from "../../client/EnkaClient";
export interface ImageBaseUrl {
    url: string;
    regexList: RegExp[];
    priority: number;
    format: "PNG" | "WEBP" | "JPG";
}
export interface CustomImageBaseUrl extends ImageBaseUrl {
    /**
     * @param fileName fileName without extension
     * @returns fileName **with** extension
     */
    customParser: (fileName: string) => string | null;
}
export declare class ImageAssets {
    readonly enka: EnkaClient;
    readonly name: string | null;
    readonly imageBaseUrl: ImageBaseUrl | null;
    readonly url: string | null;
    readonly isAvailable: boolean;
    constructor(name: string | null, enka: EnkaClient, maxPriority?: number);
    /**
     * @returns a new instance of ImageAssets with the another imageBaseUrl
     */
    nextSource(): ImageAssets | null;
}