import { OnInit } from '@angular/core';
/**
 * @ignore
 */
export declare class NpProgressBar implements OnInit {
    colors: Array<string>;
    height: number;
    gradient: boolean;
    type: 'progress' | 'percent';
    leftText: string;
    rightText: string;
    percentage: number;
    readonly fillState: any;
    background: string;
    constructor();
    ngOnInit(): void;
    buildBackgroundColors(): void;
}