getKey

fun <T> Context.getKey(path: String, valueType: Class<T>): T?
inline fun <T : Any> Context.getKey(path: String, defVal: T?): T?
inline fun <T : Any> Context.getKey(path: String): T?
inline fun <T : Any> Context.getKey(folder: String, path: String): T?
inline fun <T : Any> Context.getKey(folder: String, path: String, defVal: T?): T?