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

class A extends core::Object {
  synthetic constructor •() → self::A
    ;
  method foo() → dynamic
    ;
  get bar() → core::int
    ;
  set baz(core::int value) → void
    ;
  method call() → void
    ;
}
class B extends core::Object {
  synthetic constructor •() → self::B
    ;
  method toString([core::int extra = 42]) → core::String
    ;
}
static method error(core::String? s, self::A? a, self::B? b) → dynamic
  ;
static method ok<T extends core::Object?>(core::String? s, self::A? a, self::ok::T% t, self::B? b, core::Invocation i) → dynamic
  ;
static method main() → dynamic
  ;