export interface SampleCase {
    index: number;
    input: string;
    output: string;
}
export interface ContestDuration {
    start: Date;
    end: Date;
}
export interface TaskDetails {
    title: string;
    timeLimitMs: number;
    memoryLimitBytes: number;
    samples: SampleCase[];
    problemStatementMd?: string;
    contestDuration?: ContestDuration | null;
}
export declare function parseProblemPage(html: string, preferredLang?: 'en' | 'ja'): TaskDetails;