import { AfterContentChecked, Directive, ElementRef, EventEmitter, Input, OnDestroy, OnInit, Output } from '@angular/core'
import { fromEvent, Observable, Subscription } from 'rxjs'
import { AfterContentChecked, Directive, ElementRef, EventEmitter, Input, OnDestroy, OnInit, Output } from '@angular/core'
import { fromEvent, Observable, Subscription } from 'rxjs'