import RequiredIf from './rules/requiredIf';
import In from './rules/in';
import NotIn from './rules/notIn';
import Regex from './rules/regex';
export declare function requiredIf(callback: boolean | CallableFunction): RequiredIf;
export declare function ruleIn(values: (string | number)[]): In;
export declare function ruleNotIn(values: (string | number)[]): NotIn;
export declare function regex(value: RegExp): Regex;
export declare function notRegex(value: RegExp): Regex;