library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

class Super extends core::Object {
  synthetic constructor •() → self::Super
    ;
}
abstract class Mixin extends core::Object /*isMixinDeclaration*/  {
}
class Class1 extends core::Object {
  synthetic constructor •() → self::Class1
    ;
}
abstract class Class2 extends core::Object {
  synthetic constructor •() → self::Class2
    ;
}
class Class3 = self::Super with self::Mixin {
  synthetic constructor •() → self::Class3
    : super self::Super::•()
    ;
}
abstract class Class4 = self::Super with self::Mixin {
  synthetic constructor •() → self::Class4
    : super self::Super::•()
    ;
}
static method main() → dynamic
  ;