import { OnInit } from '@angular/core'; import { Observable } from 'rxjs'; import { DataService } from '../../data/providers/data.service'; import { LocalStorageService } from '../../providers/local-storage/local-storage.service'; export declare class ThemeSwitcherComponent implements OnInit { private dataService; private localStorageService; activeTheme$: Observable; constructor(dataService: DataService, localStorageService: LocalStorageService); ngOnInit(): void; toggleTheme(current: string): void; }