object ModelConfigurationStore {
    val modelConfigurations = mutableListOf<ModelConfiguration>().observable()

    fun save(path: String) = modelConfigurations
            .toJSON()
            .save(Paths.get(path), CREATE, TRUNCATE_EXISTING)

    fun load(path: String) {
        val file = Paths.get(path)
        if (Files.exists(file)) {
            modelConfigurations.setAll(loadJsonArray(file, READ).toModel())
        } else {
            modelConfigurations.clear()
        }
    }
}