-import { Component, OnInit, ViewChild, AfterViewChecked } from '@angular/core'
-import { Notifier, ServerService } from '@app/core'
-import { ContactAdminModalComponent } from '@app/+about/about-instance/contact-admin-modal.component'
-import { InstanceService } from '@app/shared/instance/instance.service'
-import { ServerConfig } from '@shared/models'
+import { ViewportScroller } from '@angular/common'
+import { AfterViewChecked, Component, ElementRef, OnInit, ViewChild } from '@angular/core'