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

class A extends core::Object {
  synthetic constructor •() → self::A
    : super core::Object::•()
    ;
  method foo({core::bool? c = #C1, core::bool? a = #C2}) → dynamic {}
}
class B extends self::A {
  synthetic constructor •() → self::B
    : super self::A::•()
    ;
  method foo({core::bool? c = #C1, core::bool? a = #C2}) → dynamic {}
}
class C extends self::B {
  synthetic constructor •() → self::C
    : super self::B::•()
    ;
  method foo({core::bool? c = #C1, core::bool? a = #C2}) → dynamic {}
}
class A1 extends core::Object {
  synthetic constructor •() → self::A1
    : super core::Object::•()
    ;
  method foo({core::bool? a = #C1, core::bool? c = #C2}) → dynamic {}
}
class B1 extends self::A1 {
  synthetic constructor •() → self::B1
    : super self::A1::•()
    ;
  method foo({core::bool? a = #C1, core::bool? c = #C2}) → dynamic {}
}
class C1 extends self::B1 {
  synthetic constructor •() → self::C1
    : super self::B1::•()
    ;
  method foo({core::bool? a = #C1, core::bool? c = #C2}) → dynamic {}
}
static method main() → dynamic {}

constants  {
  #C1 = true
  #C2 = null
}