library;
import self as self;

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

static method test() → dynamic
  ;
static method main() → dynamic
  ;

library /*isNonNullableByDefault*/;
import self as self2;
import "dart:core" as core;

static method takesNull(Null n) → void
  ;
static method takesNever(Never n) → void
  ;
static method applyTakesNull((Null) → void f) → dynamic
  ;
static method applyTakesNever((Never) → void f) → dynamic
  ;
static method applyTakesNullNamed({required (Null) → void f}) → dynamic
  ;
static method applyTakesNeverNamed({required (Never) → void f}) → dynamic
  ;
static method takesNullable(core::int? i) → void
  ;
static method takesNonNullable(core::int i) → void
  ;
static method applyTakesNullable((core::int?) → void f) → dynamic
  ;
static method applyTakesNonNullable((core::int) → void f) → dynamic
  ;
static method applyTakesNullableNamed({required (core::int?) → void f}) → dynamic
  ;
static method applyTakesNonNullableNamed({required (core::int) → void f}) → dynamic
  ;