Property delegation, extract and toConfig support these types:

• Boolean
• Byte
• Int
• Long
• Float
• Double
• String
• java.io.File
• java.nio.file.Path
• java.time.Duration
• java.time.Period
• java.time.temporal.TemporalAmount
• java.util.UUID
• java.net.URL
• kotlin.text.Regex
• Collections
  • List
  • Set
  • Map<K, V>
  • Array<T> (You can use Array<Int>, but can’t use Array<Array<Int>>)
• Nullable T?
• Typesafe Config classes(Calling toConfig is meaningless)
  • com.typesafe.config.Config
  • com.typesafe.config.ConfigValue
  • com.typesafe.config.ConfigMemorySize
• Enum
• Data classes

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