code: protected void appendDetail(final StringBuffer buffer, final String fieldName, final Object value) {
          buffer.append(value);
      }
docs: <p>Append to the <code>toString</code> an <code>Object</code>
  value, printing the full detail of the <code>Object</code>.</p>
  
  @param buffer  the <code>StringBuffer</code> to populate
  @param fieldName  the field name, typically not used as already appended
  @param value  the value to add to the <code>toString</code>,
  not <code>null</code>