docs: static final boolean compareBuffer(final byte[] buf1, final int offset1, final byte[] buf2,
  			final int offset2, final int len) {
  		for (int i = 0; i < len; i++) {
  			final byte b1 = buf1[offset1 + i];
  			final byte b2 = buf2[offset2 + i];
  			if (b1 != b2) {
  				return false;
  			}
  		}
  		return true;
  	}