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also 2, what about importing all at once a set of dependencies?
Instead of
```    implementation(Square.okHttp3.loggingInterceptor)
    implementation(Square.okHttp3.mockWebServer)
    implementation(Square.okHttp3.okHttp)
    implementation(Square.retrofit2.converter.moshi)
    implementation(Square.retrofit2.retrofit)```
just `implementation(Square.coreSet)`  or something similar

Not something for us to decide on, but that's what the Gradle dependency catalog will allow you to do, and it's already in Gradle 7.0 1st milestone I believe.