import { MixedLocale, StringLocale } from './Locale';
import { MixedSchema } from './mixed';
import { Refable } from './ref';
export interface StringSchema<T extends string = string> extends MixedSchema<T> {
    required(message?: MixedLocale['required']): this;
    length(limit: Refable<number>, message?: StringLocale['length']): this;
    min(limit: Refable<number>, message?: StringLocale['min']): this;
    max(limit: Refable<number>, message?: StringLocale['max']): this;
    matches(regex: RegExp, message?: StringLocale['matches']): this;
    matches(regex: RegExp, options?: {
        excludeEmptyString?: boolean;
        message?: StringLocale['matches'];
    }): this;
    email(message?: StringLocale['email']): this;
    url(message?: StringLocale['url']): this;
    ensure(): this;
    trim(message?: StringLocale['trim']): this;
    lowercase(message?: StringLocale['lowercase']): this;
    uppercase(message?: StringLocale['uppercase']): this;
    chineseMobilePhoneNumber(message?: StringLocale['chineseMobilePhoneNumber']): this;
    chineseIDCardNumber(message?: StringLocale['chineseIDCardNumber']): this;
}
export declare function string<T extends string = string>(payload?: (schema: StringSchema<T>) => StringSchema<T>): StringSchema<T>;