package com.google.firebase.messaging does not exist

package com.google.firebase.messaging does not exist

build.gradle 

dependencies 

implementation 'com.google.firebase:firebase-messaging'

추가

package com.google.firebase.quickstart.fcm does not exist

Duplicate class android.support.v4.app.INotificationSideChannel found in modules core-1.5.0-runtime (androidx.core:core:1.5.0) and support-compat-26.1.0-runtime (com.android.support:support-compat:26.1.0)

gradle.proerties

android.enableJetifier=true

• package androidx.work does not exist 

implementation 'android.arch.work:work-runtime:1.0.1'