presto-main/src/main/java/io/prestosql/spiller/AesSpillCipher.java/AesSpillCipher/encryptedMaxLength
class AesSpillCipher:    @Override
    public int encryptedMaxLength(int inputLength)
    {
        checkArgument(inputLength >= 0, "inputLength must be >= 0, inputLength=%s", inputLength);
        Cipher sizer = throwCipherClosedIfNull(encryptSizer);
        return ivBytes + sizer.getOutputSize(inputLength);
    }