import { Common, ColorOption } from './NSProgressHud.common';
import { BehaviorSubject } from 'rxjs';
export declare class NSProgressHud extends Common {
    private _hud;
    progress: any;
    progressTickMark: number;
    tickInterval: number;
    constructor();
    showProgress(message?: string, options?: ColorOption, progressStatus?: BehaviorSubject<{
        progress: number;
    }>): void;
    private updateProgress;
    dismiss(): void;
    private setOptions;
}