/**
 * Add a comment to a pull request.
 *
 * @param token - The GitHub token
 * @param pullRequest - The pull request number
 * @param comment - The comment to add
 * @returns The comment ID
 * @throws If the comment cannot be added
 */
export declare const addPullRequestComment: (token: string, pullRequest: number, comment: string) => Promise<number>;