import type { Release } from '../types/index.js';
export declare class GitHubRateLimitError extends Error {
    constructor(message: string);
}
export declare class GitHubDownloadError extends Error {
    constructor(message: string);
}
export declare function getGitHubTokenGuidance(): string;
export declare function fetchReleases(token?: string): Promise<Release[]>;
export declare function getLatestRelease(token?: string): Promise<Release>;
export declare function downloadRelease(url: string, dest: string, token?: string): Promise<void>;
export declare function getAssetUrl(release: Release): string | null;