import { OnInit } from '@angular/core';
import { Observable } from 'rxjs';
export declare class ButtonComponent implements OnInit {
    buttonType$: Observable<ButtonType>;
    url$: Observable<string>;
    content$: Observable<string>;
    constructor();
    ngOnInit(): void;
}
export declare type ButtonType = {
    [key in func | color]?: boolean;
};
export declare type func = 'next' | 'back';
export declare type color = 'normal' | 'info' | 'success' | 'loading';