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kotlinlang

When converting an old java Utils-style class (never instantiated, only containing statics) to Kotlin, do you typically:

1. remove the Utils class completely, and move those methods up to file-level (converting to use extension functions where possible/appropriate)
2. convert the Utils class to use `object` modifier
3. keep the Utils class and put the methods in a `companion object`

I follow the first step and then put a `@file:JvmName('...')` at the top of the Kotlin file so that the Java code accessing those methods don't change at all.