export declare class Validation {
    static isNullOrEmpty(value: any): boolean;
    static isEmail(value: any): boolean;
    static isNumber(value: any): boolean;
    static isInt(value: any): boolean;
    static containsOnly(value: string, characters: string, ignoreCase?: boolean): boolean;
    static isInRange(value: number, min: number, max: number): boolean;
    static isIpAddress(value: any): boolean;
}