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kotlinlang

Hi, I've read this: <https://medium.com/@BladeCoder/exploring-kotlins-hidden-costs-part-1-fbb9935d9b62> and have a question about using companion objects.
I feel that there is a prevailing opinion that instead of Java's `static final` in Kotlin `companion object{ val /* or const val */ }` should be used. At least I have seen a lot of people doing that. But if your class will only have one instance (e.g. `@Singleton` or `@Component` appropriately scoped), then this is superfluous and you can (and probably should) use simple class-level `val`s without wrapping them in an object.
Am I missing something?