Metadata
constructor(className: String, path: String, importType: ImportType, type: ExtensionType, id: String, name: String, version: String, description: String, author: String, authorUrl: String? = null, icon: ImageHolder? = null, repoUrl: String? = null, updateUrl: String? = null, preservedPackages: List<String> = listOf(), isEnabled: Boolean = true)