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I'm not sure what your question is. If you need a Groovy closure, use

closureOf

or

delegateClosureOf

, or if you don't like either, use a Groovy script plugin that you

apply from

if you insist (not recommended). That it is hard to tell which to use is caused by Groovy being an extremely dynamic and duck-typed language while Kotlin is static and type-safe. Just try out which of the two work for the closure you need to give or make the plugin developer switch to

Action

which will then work properly for both DSLs without hassle.

Thanks for the fast response. After stepping away for a few minutes, I came back and found my own answer. Here is what compiles:

val bintrayPackageConfig = delegateClosureOf<BintrayExtension.PackageConfig> { repo = "repossessed" }
        bintray.pkg(bintrayPackageConfig)

Both

closureOf

and

delegatClosureOf

compile. I'll try to apply it to a different DSL and see which works at runtime. It is a bummer to have to have 2 different approaches that compile but not knowing which one works until I get an NPE at runtime.

Yeah, complain to the might of Groovy 🙂