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If you're using Kotlin you can always add extension functions:

fun RepositoryHandler.myAwesomeRepo()

You're right, but what to do if i'm not using Kotlin at this moment? With

DependencyHandler

I can create some useful wrappers even to be used in Groovy, but not with

RepositoryHandler

. Also, extension functions can't be scoped per-module, as Gradle Extensions allow you to do.

The least classes formally are

ExtensionAware

but actually practically all domain objects and also all other objects created by Gradle with means like

objects.newInstance

or

container.register

or

container.create

or similar are on-the-fly decorated to be

ExtensionAware

.

Oh, that's nice! Yes, this is what I see when debug build file, did you consider making ExtensionAware as part of public API for this particular class?

I don't consider anything, I'm just a user like you. I'm not even a Gradle Fellow or in any way affiliated to Gradle.

Oh, sorry, my mistake. I think casting is the way to go for now. Thank you for your support!

But here you can find a discussion about the very topic: https://github.com/gradle/gradle/issues/7547