/**
 * Parse a GitHub URL or repository identifier string
 * @param url GitHub repository URL or identifier (username/reponame[@branch])
 * @returns Object containing username, reponame, and optional branch
 */
export declare function parseGithubUrl(url: string): {
    username: string;
    reponame: string;
    branch?: string;
};
/**
 * Check if a string looks like a GitHub repository reference
 * @param query String to check
 * @returns True if the string looks like a GitHub repository reference
 */
export declare function looksLikeGithubRepo(query: string): boolean;
/**
 * Fetch and pack a GitHub repository
 * @param repoPath GitHub repository path (username/reponame[@branch])
 * @param maxRepoSizeMB Maximum repository size in MB
 * @returns Repository context as text and token count
 */
export declare function getGithubRepoContext(repoPath: string, maxRepoSizeMB?: number): Promise<{
    text: string;
    tokenCount: number;
}>;