fun main() {
    println(
        kotree {
            Content()
        }
    )
}
        
@Composable
private fun Content() {
    Node("root") {
        Node("a") {
            Node("c") {
                Node("j") {
                    Node("k")
                    Node("l")
                }
            }
            Node("f")
        }
        Node("d") {
            Node("g")
            Node("h")
        }
    }
}

sampleproject
├── src
│   └── commonMain
│       └── kotlin
├── build.gradle.kts
└── settings.gradle.kts

@Composable
private fun FileNode(file: File) {
    Node(file.name) {
        file.listFiles().forEach {
            FileNode(it)
        }
    }
}