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

static method foo1() → asy::Future<void> async /* futureValueType= void */ {
  await 6;
}
static method foo2() → asy::Future<core::int> async /* futureValueType= core::int */ {
  return await 6;
}
static method main() → void {
  self::foo1();
  self::foo2();
}