export declare function MinValidator(min: number, customMessage?: any): (control: any) => {
    [key: string]: any;
};
export declare function MaxValidator(max: number, customMessage?: any): (control: any) => {
    [key: string]: any;
};
export declare function MinMaxValidator(min: number, max: number, customMessage?: any): (control: any) => {
    [key: string]: any;
};