import { OnDestroy, OnInit } from '@angular/core'; import { MatSidenav } from '@angular/material/sidenav'; import { ActivatedRoute, Router } from '@angular/router'; import { Subscription } from 'rxjs'; export declare class HeaderComponent implements OnInit, OnDestroy { private router; private activatedRoute; subscription: Subscription; routeData: { title: string; color: string; icon: string; }; constructor(router: Router, activatedRoute: ActivatedRoute); sideNavRef: MatSidenav; getActivePage(): void; toggleSideNav(): void; ngOnInit(): void; ngOnDestroy(): void; }