This meta issue summarize all the tasks related to Ruby settings classes translation to Java code. (Original POC from Spacetime #15679).

• Move base class hierarchy and Boolean [Spacetime] Reimplement config Setting classe in java #15679
• Move String Reimplement LogStash::String setting in Java #16576
• Move Numeric Reimplement LogStash::Numeric setting in Java #17127
• Reimplement LogStash::Setting::Port and PortRange to Java #18170
• Rename Java Setting classes with names clashing with type system to counterparts with Setting prefix #16946
• Reimplement LogStash::Setting::Password to Java #18182
• Reimplement LogStash::Setting::ValidatedPassword to Java #18184
• Reimplement LogStash::Setting::CoercibleString to Java #18186
• Reimplement LogStash::Setting::ExistingFilePath to Java
• Reimplement LogStash::Setting::WritableDirectory to Java
• Reimplement LogStash::Setting::Bytes to Java
• Reimplement LogStash::Setting::TimeValue to Java
• Reimplement LogStash::Setting::ArrayCoercible to Java
• Reimplement LogStash::Setting::SplittableStringArray to Java
• Reimplement LogStash::Setting::StringArray to Java