library;
import self as self;

import "org-dartlang-testcase:///issue46518_lib.dart";

static method main() → void
  ;

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

typedef NullableIntF = () → core::int?;
static method _check(core::Type t1, core::Type t2) → void
  ;
static method checkOptedIn(core::Type t) → void
  ;