/**
 * 为用户打分
 * @param uid 用户uid
 * @param score 分数
 * @returns {string}
 */
export declare const gradeUser: (uid: string, score: number) => string;
/**
 * 取消为用户打分
 * @param uid 用户uid
 * @returns {string}
 */
export declare const cancelGradeUser: (uid: string) => string;