Function call (20: 18) super<A>.foo()
Function call (7: 11) A.foos()
New instance creation (2: 20) var next: A? = A()
New instance creation (32: 18) fun X.bar(a: A = A()) {
Supertype (1: 39) public class X(bar: String? = A.BAR): A() {
Supertype (23: 19) class object: A() {
Supertype (28: 11) object O: A() {