code: @Override
    public void write (@Nonnull final char [] aBuf, @Nonnegative final int nOfs, @Nonnegative final int nLen)
    {
      ValueEnforcer.isArrayOfsLen (aBuf, nOfs, nLen);
      if (nLen > 0)
        m_aSB.append (aBuf, nOfs, nLen);
    }
docs: Write a portion of an array of characters.
  
  @param aBuf
  Array of characters
  @param nOfs
  Offset from which to start writing characters
  @param nLen
  Number of characters to write