How to solve 'Program type already present: com.google.common.util.concurrent.ListenableFuture'?

Question

I am trying to use WorkManager 1.0.0-alpha09. and getting this error:

Program type already present: 
com.google.common.util.concurrent.ListenableFuture

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Answer 1

I merely added implementation 'com.google.guava:guava:27.0.1-android' at the end of my app gradle file and the error went away.