# Return true if `self` and `other` have the same dynamic type.
	#
	# ~~~
	# assert 1.is_same_type(2)
	# assert "Hello".is_same_type("World")
	# assert not "Hello".is_same_type(2)
	# ~~~
	#
	# The method returns false if the dynamic type of `other` is a subtype of the dynamic type of `self`
	# (or the other way around).
	#
	# Unless specific code, you should not use this method because it is inconsistent
	# with the fact that a subclass can be used in lieu of a superclass.
	fun is_same_type(other: Object): Bool is intern