public void appendSuper(StringBuffer buffer, String superToString) {
        appendToString(buffer, superToString);
    }
<p>Append to the <code>toString</code> the superclass toString.</p>
<p>NOTE: It assumes that the toString has been created from the same ToStringStyle. </p>

<p>A <code>null</code> <code>superToString</code> is ignored.</p>

@param buffer  the <code>StringBuffer</code> to populate
@param superToString  the <code>super.toString()</code>
@since 2.0
android/android_framework/base/src/main/java/lang3/builder/ToStringStyle.java