export type DiffResult = {
    success: boolean;
    message?: string;
    diff?: string;
    error?: Error;
};
export type DiffOptions = {
    app1?: string;
    app2?: string;
    silent?: boolean;
};
/**
 * Show diff between the current playground and its solution
 */
export declare function showProgressDiff(options?: {
    silent?: boolean;
}): Promise<DiffResult>;
/**
 * Interactive diff selection between two apps
 */
export declare function selectAndShowDiff(options?: {
    silent?: boolean;
}): Promise<DiffResult>;
/**
 * Show diff between two specific apps
 */
export declare function showDiffBetweenApps(options?: DiffOptions): Promise<DiffResult>;