public CompareToBuilder appendSuper(int superCompareTo) {
        if (comparison != 0) {
            return this;
        }
        comparison = superCompareTo;
        return this;
    }
<p>Appends to the <code>builder</code> the <code>compareTo(Object)</code>
result of the superclass.</p>

@param superCompareTo  result of calling <code>super.compareTo(Object)</code>
@return this - used to chain append calls
@since 2.0
android/android_framework/base/src/main/java/lang3/builder/CompareToBuilder.java