checkNotNull(hostPortString);
    String host;
    String portString = null;
    boolean hasBracketlessColons = false;

    if (hostPortString.startsWith("[")) {
      String[] hostAndPort = getHostAndPortFromBracketedHost(hostPortString);
      host = hostAndPort[0];
      portString = hostAndPort[1];
    } else {
      int colonPos = hostPortString.indexOf(':');

          <description>
            The proxy password.
          </description>
          <type>String</type>
        </field>
        <field xml.tagName="port">
          <name>portString</name>
          <version>1.0.0+</version>
          <description>
            The proxy port. Note: While the type of this field is {@code String} for technical

 [PostStringJava]: https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/PostString.java
 [PostStringKotlin]: https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/kt/PostString.kt
 [PostStreamingJava]: https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/PostStreaming.java