Because of problem that jcenter() remove some older libs I decide to update my project. So now I have:
gradle: 4.6
and:
classpath 'com.android.tools.build:gradle:3.2.1'
classpath 'com.google.gms:google-services:3.0.0'
I almost solve every dependency but I get
Failed to resolve: monitor
without any clue what is that monitor ;(