import { OnInit } from "@angular/core";
import { ButtonService } from "./button.service";
import { Observable } from "rxjs";
import * as i0 from "@angular/core";
export declare class ButtonComponent implements OnInit {
    private btnService;
    data$: Observable<String> | undefined;
    constructor(btnService: ButtonService);
    ngOnInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ButtonComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ButtonComponent, "lib-button", never, {}, {}, never, never>;
}