Sponge fully type-safe command api

APCommand.kt

object APCommand {

    fun register(plugin: Any) {
        val command = CommandRoot("ap", "aperms") {
            "collection" then {
                "list" execute ::collectionList

                subjectCollection("collection") then {
                    "delete" execute executor(::collectionDelete)
                    "info" execute executor(::collectionInfo)
                    "subjects" execute executor(::collectionSubjects)
                }

                string("name") / "create" execute executor(::collectionCreate)
            }
        }

        commandManager.register(plugin, command, command.aliases.aliases)
    }

    private fun collectionList(src: CommandSource) {

    }

    private fun collectionDelete(collection: SubjectCollection, src: CommandSource) {

    }

    private fun collectionInfo(collection: SubjectCollection, src: CommandSource) {

    }

    private fun collectionSubjects(collection: SubjectCollection, src: CommandSource) {

    }

    private fun collectionCreate(name: String, src: CommandSource) {
        
    }
}