Interface ValidationChain

interface ValidationChain {
    is: [string | RegExp, string?];
    not: [string | RegExp, string?];
    isEmail: string | boolean;
    isUrl: string | boolean;
    isIP: string | boolean;
    isAlpha: string | boolean;
    isAlphanumeric: string | boolean;
    isNumeric: string | boolean;
    isInt: string | boolean;
    isFloat: string | boolean;
    isDecimal: string | boolean;
    isLowercase: string | boolean;
    isUppercase: string | boolean;
    isNull: string | boolean;
    notEmpty: string | boolean;
    equals: string;
    contains: string;
    notContains: string;
    len: number | [number, number?];
    isUUID: string | boolean;
    isDate: string | boolean;
    isAfter: string;
    isBefore: string;
    isIn: any[][];
    notIn: any[][];
    max: number;
    min: number;
}