import "deferred_lib2.dart" deferred as d;

class B extends d.A {}

class C implements d.A {}

class F with d.M {}

class G = Object with d.M;

d.A a = new d.A();

d.B b = 0;

extension type ET1(d.A id) implements d.A {}

extension type ET2<T extends d.A>(T id) implements d.A {}

extension type ET3(int id) implements d.ET1 {}

extension type ET4(d.A id) {}

extension type ET5(d.A id) implements d.ET2 {}

extension type ET6(d.B id) implements d.B {}

main() {}

mixin D on d.A {}

mixin E implements d.A {}