export declare abstract class JavaString {
    static contains(str: string, s: string | null): boolean;
    static isBlank(s: string | null): boolean;
    static isEmpty(s: string | null): boolean;
    static indexOf(s: string, str: string | null, fromIndex?: number): number;
    static replaceFirst(s: string, regex: string, replacement: string): string;
    static replaceAll(s: string, regex: string, replacement: string): string;
    static replace(s: string, pattern: string, replacement: string): string;
    static format(s: string, ...args: any[]): string;
    static compareToIgnoreCase(a: string, b: string | null): number;
    static compareTo(a: string, b: string | null): number;
    static equalsIgnoreCase(a: string, b: string | null): boolean;
}
export declare function cast_java_lang_String(obj: unknown): string | null;
//# sourceMappingURL=JavaString.d.ts.map