import type { MinimalVideoData } from "../types/client.js";
import type * as Artstation from "../types/helpers/artstation.js";
import { BaseHelper } from "./base.js";
export default class ArtstationHelper extends BaseHelper {
    API_ORIGIN: string;
    getCSRFToken(): string | undefined;
    getCourseInfo(courseId: string): Promise<false | Artstation.Course>;
    getVideoUrl(chapterId: number): Promise<string | false>;
    getVideoData(videoId: string): Promise<MinimalVideoData | undefined>;
    getVideoId(url: URL): Promise<string | undefined>;
}
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