import { Base, Type } from "./type";
/**
 * @hidden
 */
export declare class XmlTextWriter_StringUtil extends Base {
    static $t: Type;
    private static b;
    private static a;
    static d(a: string, b: string): number;
    static c(a: string, b: string): number;
    static e(a: string, ...b: any[]): string;
}