library;
import self as self;
import "nsm_from_opt_in_lib.dart" as nsm;
import "dart:core" as core;

import "org-dartlang-testcase:///nsm_from_opt_in_lib.dart";

abstract class B2 extends nsm::A implements self::C2 {
  synthetic constructor •() → self::B2*
    ;
  @core::override
  method noSuchMethod(core::Invocation* invocation) → dynamic
    ;
  abstract forwarding-stub method method(core::int* i, {dynamic optional}) → core::int*;
}
abstract class C2 extends core::Object {
  synthetic constructor •() → self::C2*
    ;
  abstract method method(core::int* i, {dynamic optional}) → core::int*;
}
static method main() → dynamic
  ;

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

class A extends core::Object {
  synthetic constructor •() → nsm::A
    ;
  method method(core::int? i) → core::int
    ;
}
abstract class B1 extends nsm::A implements nsm::C1 {
  synthetic constructor •() → nsm::B1
    ;
  @core::override
  method noSuchMethod(core::Invocation invocation) → dynamic
    ;
  abstract forwarding-stub method method(core::int? i, {dynamic optional}) → core::int;
}
abstract class C1 extends core::Object {
  synthetic constructor •() → nsm::C1
    ;
  abstract method method(core::int? i, {dynamic optional}) → core::int;
}