how to implement artifact DSL

research.kt

package featurea.obj

import featurea.content.contentTypes
import featurea.runtime.Artifact

val artifact = Artifact("featurea.obj") {
    include(featurea.image.artifact)

    "ObjCache" to ::ObjCache

    static {
        "ObjReader" to ::ObjReader
    }

    contentTypes {
        "ObjContentType" to ::ObjContentType
    }

    // research
    component("Obj") { ObjContentType() }
    component("ObjCache") { ObjCache() }    
    static {
        component("ObjReader") { ObjReader() }
    }
    component("createFont") { createFont() }
    
    // >>
    WindowPlugin {
        "CameraElementProvider" to ::CameraElementProvider
    }
    Window.component("CameraElementProvider") { CameraElementProvider() }
    // <<
}

/*actions*/

fun createFont() = action { args: Array<Any> ->
    val fntFile: File = File(args[0] as String)
    val name: String = args[1] as String
    val size: Int = args[2] as Int
    val isBold: Boolean = args[3] as Boolean
    val isItalic: Boolean = args[4] as Boolean
    if (!fntFile.exists()) {
        createFntFile(fntFile, name, size, isBold, isItalic)
    }
}