code: protected void appendSummary(StringBuilder buffer, String fieldName, int[] array) {
          appendSummarySize(buffer, fieldName, array.length);
      }
docs: <p>Append to the <code>toString</code> a summary of an
  <code>int</code> array.</p>
  
  @param buffer    the <code>StringBuilder</code> to populate
  @param fieldName the field name, typically not used as already appended
  @param array     the array to add to the <code>toString</code>,
  not <code>null</code>