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Fake Protected Variables

With the setget keyword’s power, you can protect your variables from being used outside of the class your variables are created from.

extends Node
class_name Animals

var _protectedVar:String = "Protected Variable" setget protectedSet, protectedGet

func protectedSet(param1):
  print('Can\'t Access Private Variable Setter')

func protectedGet():
  print('Can\'t Access Private Variable Getter')

By creating a setter and getter method that neither changes the value of the variable nor returns back its value, you will have created a variable in which no other class has access to its value.