public boolean equals(final Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    final ResourceBundleImpl resourceBundle = (ResourceBundleImpl)o;
    if (!myDefaultPropertiesFile.equals(resourceBundle.myDefaultPropertiesFile)) return false;
    return true;
  }
public boolean equals(final Object o)