assertFailsWith<IllegalStateException> {
        HttpUrl.Builder().scheme("http").build()
      }
    assertThat(noHost.message).isEqualTo("host == null")
    val noScheme =
      assertFailsWith<IllegalStateException> {
        HttpUrl.Builder().host("host").build()
      }
    assertThat(noScheme.message).isEqualTo("scheme == null")
  }

  @Test
  fun builderToString() {

    /**
     * @param scheme either "http" or "https".
     */
    fun scheme(scheme: String) =
      apply {
        when {
          scheme.equals("http", ignoreCase = true) -> this.scheme = "http"
          scheme.equals("https", ignoreCase = true) -> this.scheme = "https"
          else -> throw IllegalArgumentException("unexpected scheme: $scheme")
        }
      }

          )
          .hostnameVerifier(RecordingHostnameVerifier())
          .build()
      scheme = "https"
    } else {
      server.protocols = listOf(Protocol.H2_PRIOR_KNOWLEDGE)
      client =
        clientTestRule.newClientBuilder()
          .protocols(listOf(Protocol.H2_PRIOR_KNOWLEDGE))
          .build()
      scheme = "http"
    }
  }

  @AfterEach fun tearDown() {

		return err
	}

	cred := r.Source.Creds

	c, err := miniogo.New(u.Host, &miniogo.Options{
		Creds:        credentials.NewStaticV4(cred.AccessKey, cred.SecretKey, cred.SessionToken),
		Secure:       u.Scheme == "https",
		Transport:    getRemoteInstanceTransport(),
		BucketLookup: lookupStyle(r.Source.Path),
	})
	if err != nil {
		return err
	}

	c.SetAppInfo("minio-"+batchJobPrefix, r.APIVersion+" "+job.ID)

    responses returned by OkHttp itself, and it was an old mistake to permit
    application code to omit a message.

 *  The challenge's scheme and realm are now non-null. If you are calling
    `new Challenge(scheme, realm)` you must provide non-null values. These were
    never null in challenges created by OkHttp, but could have been null in
    application code that creates challenges.

	public final fun charset ()Ljava/nio/charset/Charset;
	public fun equals (Ljava/lang/Object;)Z
	public fun hashCode ()I
	public final fun realm ()Ljava/lang/String;
	public final fun scheme ()Ljava/lang/String;
	public fun toString ()Ljava/lang/String;
	public final fun withCharset (Ljava/nio/charset/Charset;)Lokhttp3/Challenge;
}

public final class okhttp3/CipherSuite {

 * JCIFS Properties</a>). Here are some examples of SMB URLs with brief
 * descriptions of what they do:
 *
 * <p>
 * [1] This URL scheme is based largely on the <i>SMB
 * Filesharing URL Scheme</i> IETF draft.
 * 
 * <p>
 * <table border="1" cellpadding="3" cellspacing="0" width="100%" summary="URL examples">
 * <tr bgcolor="#ccccff">

     * the second version is the newer.
     */
    private static int compareModelVersions(String first, String second) {
        // we use a dedicated comparator because we control our model version scheme.
        String[] firstSegments = first.split("\\.");
        String[] secondSegments = second.split("\\.");
        for (int i = 0; i < Math.max(firstSegments.length, secondSegments.length); i++) {

            slf4jLogger.info("Enabling strict checksum verification on all artifact downloads.");
        }

        if (slf4jLogger.isDebugEnabled()) {
            slf4jLogger.debug("Message scheme: {}", (MessageUtils.isColorEnabled() ? "color" : "plain"));
            if (MessageUtils.isColorEnabled()) {
                MessageBuilder buff = MessageUtils.builder();
                buff.a("Message styles: ");

```

MinIO supports any MQTT server that supports MQTT 3.1 or 3.1.1 and can connect to them over TCP, TLS, or a Websocket connection using `tcp://`, `tls://`, or `ws://` respectively as the scheme for the broker url. See the [Go Client](http://www.eclipse.org/paho/clients/golang/) documentation for more information.