error: package com.moengage.push.amp.plus does not exist

Question

Trying to integrate MoEngage Android SDK using Java. Documentations referred - https://developers.moengage.com/hc/en-us/articles/4403466194708-Configuring-Xiaomi-Push

Code snippet is similar to what is mentioned in the sample app. https://github.com/moengage/Android-Sample

I'm getting below errors package com.moengage.push.amp.plus does not exist and error: package MiPushHelper does not exist

Error image attached

No errors were expected but I got the error below: package com.moengage.push.amp.plus does not exist and error: package MiPushHelper does not exist