ConstClassWithFailingAssertWithEmptyMessage failedAssertEmptyMessage =
    const ConstClassWithFailingAssertWithEmptyMessage();

abstract class AbstractClass {}

class ConstClassWithFailingAssertWithEmptyMessage {
  const ConstClassWithFailingAssertWithEmptyMessage() : assert(false, "");
}

class Foo {
  const Foo(int x)
      : this.x = x,
        this.y = "hello".length;
  final int x;
  final int y;
}

class NotAbstractClass {
  @AbstractClass()
  Object foo;
}

const Foo foo = const Foo(42);
const Symbol barFoo = const Symbol("Foo");
const bool barFromEnv = const bool.fromEnvironment("bar");
const bool hasBarEnv = const bool.hasEnvironment("bar");
const function_const = () {};
const x1 = --x;
const x2 = ++x;
const x3 = x--;
const x4 = x++;
const y = 1;
const y1 = --y;
const y2 = ++y;
const y3 = y--;
const y4 = y++;
main() {}
var function_var = () {};
var x = 1;