import { Repository } from 'typeorm';
import { Cache } from 'cache-manager';
import { UserModel } from 'src/model/user.model';
export declare class UserFreezeService {
    private cacheManager;
    private userModel;
    constructor(cacheManager: Cache, userModel: Repository<UserModel>);
    isFrozen(userId: number): Promise<boolean>;
    toggleFreeze(userId: number, isFrozen: number): Promise<string | null>;
}