import * as i0 from "@angular/core";
export declare class NgImageSliderService {
    constructor();
    isBase64(str: any): boolean;
    base64FileExtension(str: any): any;
    orderArray(arr?: any[], orderType?: string): any[];
    static ɵfac: i0.ɵɵFactoryDeclaration<NgImageSliderService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgImageSliderService>;
}