docs: private String stringFromResetBits(final int bits)
     {
        final StringBuilder sb = new StringBuilder();
        for (int ndx = 0; ndx < RESET_STATES.length; ndx++) {
           if ( (bits & (0b1 << ndx)) != 0) {
              sb.append(RESET_STATES[ndx]).append(", ");
           }
        }
  
        sb.setLength(sb.length() - 2);  // trim trailing comma
        return sb.toString();
     }