Using @AutoValue with nested classes gives a "cannot find symbol" error

When trying to use @AutoValue with nested classes:

public class Nested {
  @AutoValue
  public static abstract class Example {
    public static Example create(String name, int integer) {
      return new AutoValue_Example(name, integer);
    }
    public abstract String name();
    public abstract int integer();
  }
}

I get a compiler error for . Any ideas on what I'm doing wrong?cannot find symbolAutoValue_Example