docs: @Nonnull
    @SuppressFBWarnings ("EI_EXPOSE_REP2")
    public final UnifiedResponse setContent (@Nonnull final byte [] aContent,
                                             @Nonnegative final int nOfs,
                                             @Nonnegative final int nLen)
    {
      ValueEnforcer.isArrayOfsLen (aContent, nOfs, nLen);
      if (hasContent ())
        logInfo ("Overwriting content with byte array!");
      m_aContentArray = aContent;
      m_nContentArrayOfs = nOfs;
      m_nContentArrayLength = nLen;
      m_aContentISP = null;
      return this;
    }