assertNotNull(cryptographer);

        String plainText = "Hello, World!";
        String encrypted = cryptographer.encrypt(plainText);
        assertNotNull(encrypted);
        assertFalse(plainText.equals(encrypted));

        String decrypted = cryptographer.decrypt(encrypted);
        assertEquals(plainText, decrypted);
    }

    public void test_invertibleCryptography_withEmptyString() {

          //
          // Raw write
          // Raw read
          // Plaintext before ENCRYPTION
          // Plaintext after DECRYPTION
          val message = record.message
          val parameters = record.parameters

          if (parameters != null && !message.startsWith("Raw") && !message.startsWith("Plaintext")) {
            if (verbose) {
              println(record.message)

        assertNull(permissionHelper.encode("(deny){group}"));
    }

    public void test_passthroughValues() {
        assertEquals("plaintext", permissionHelper.encode("plaintext"));
        assertEquals("plaintext", permissionHelper.decode("plaintext"));

        assertEquals("abc", permissionHelper.encode("abc"));
        assertEquals("abc", permissionHelper.decode("abc"));

        private String subject;
        private String plainText;

        public void setSubject(String subject) {
            this.subject = subject;
        }

        public void setPlainText(String plainText) {
            this.plainText = plainText;
        }

        @Override
        public OptionalThing<String> getSavedSubject() {

        TlsVersion.TLS_1_2,
        reversed,
      )

    makeRequest(client)

    val expectedConnectionCipherSuites = expectedConnectionCipherSuites(client)
    // Will choose a poor cipher suite but not plaintext.
//    assertThat(handshake.cipherSuite).isEqualTo("TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256")
    assertThat(handshakeEnabledCipherSuites).containsExactly(
      *expectedConnectionCipherSuites.toTypedArray(),
    )
  }

                }
              }
            });
  }

  public void testCreate_invalidType() {
    assertThrows(IllegalArgumentException.class, () -> MediaType.create("te><t", "plaintext"));
  }

  public void testCreate_invalidSubtype() {
    assertThrows(IllegalArgumentException.class, () -> MediaType.create("text", "pl@intext"));
  }

  public void testCreate_wildcardTypeDeclaredSubtype() {