checker/tests/wpi-testchecker/non-annotated/DeviceTypeTest.java

// In the wild, code like this caused WPI to generate a stub file for DeviceType that used "class"
// instead of "enum".

public class DeviceTypeTest {
  public enum DeviceType {
    TRACKER;
  }

  private final DeviceType deviceType;

  public DeviceTypeTest() {
    deviceType = DeviceType.valueOf("tracker");
  }
}