Root class of all classes in Swift? [duplicate]

Question

The Apple's developer documentation says:

NSObject is The root class of most Objective-C class hierarchies, from which subclasses inherit a basic interface to the runtime system.

I wonder what is the root class of all classes in Swift in the example below:

class MyClass {
....
} 

Answer 1

Swift classes do not inherit from a universal base class. Classes you define without specifying a superclass automatically become base classes for you to build upon.

https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/Inheritance.html

Is that what you were looking for? :)