import { DefaultValueWrapper } from './default-value-wrapper';
import { ValueWrapperString } from './value-wrapper-string';
export declare class DefaultValueWrapperString extends DefaultValueWrapper<string> implements ValueWrapperString {
    constructor(value: any, defaultValue?: string);
    ensureMatch(regex: RegExp): this;
    ensureMaxLength(max: number): this;
    ensureMinLength(min: number): this;
    eitherMatch(regex: RegExp, or: string): this;
    eitherMaxLength(max: number, or: string): this;
    eitherMinLength(min: number, or: string): this;
    amazing(): this;
    guard(): this;
    trim(): this;
    toUpperCase(): this;
    toLowerCase(): this;
}