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kotlinlang

Just more question, I promise. Why do some implementation get with underline at end line? Like that `classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:_")`

This is used together with some plugin that centralizes the versions. The `_` is used as a placeholder, the plugin looks for this in requested versions and replaces it with the actual version from its configuration file.

Gradle recently introduced the version catalog feature (which will become stable in 7.4) that addresses this in a type-safe way in Kotlin.