# example class with inner classes
class_name CustomClass
extends RefCounted


# an inner class 
class InnerClassA extends Node:
	var x

# an inner class inherits form another inner class
class InnerClassB extends InnerClassA:
	var y

# an inner class 
class InnerClassC:
	
	func foo() -> String:
		return "foo"

class InnerClassD:
	class InnerInnerClassA:
		var x