headers = headersOf("www-authenticate", "Basic realm=\"protected area\""),
        body = "Please authenticate.",
      ),
    )
    server.enqueue(
      MockResponse(body = "Successful auth!"),
    )
    val credential = basic("username", "password")
    client =
      client.newBuilder()
        .authenticator(RecordingOkAuthenticator(credential, "Basic"))
        .build()

    specify the timeout of an individual call.

 *  New: Return values and fields are now non-null unless otherwise annotated.
 *  New: `LoggingEventListener` makes it easy to get basic visibility into a call's performance.
    This class is in the `logging-interceptor` artifact.
 *  New: `Headers.Builder.addUnsafeNonAscii()` allows non-ASCII values to be added without an
    immediate exception.

  @Test
  fun authenticatingTunnelProxyConnect() {
    enableTlsWithTunnel()
    server.enqueue(
      MockResponse.Builder()
        .inTunnel()
        .code(407)
        .addHeader("Proxy-Authenticate: Basic realm=\"localhost\"")
        .addHeader("Connection: close")
        .build(),
    )
    server.enqueue(
      MockResponse.Builder()
        .inTunnel()
        .build(),
    )

public final class okhttp3/Credentials {
	public static final field INSTANCE Lokhttp3/Credentials;
	public static final fun basic (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
	public static final fun basic (Ljava/lang/String;Ljava/lang/String;Ljava/nio/charset/Charset;)Ljava/lang/String;
	public static synthetic fun basic$default (Ljava/lang/String;Ljava/lang/String;Ljava/nio/charset/Charset;ILjava/lang/Object;)Ljava/lang/String;
}

 * mapping and Punycode encoding.
 *
 * In order to avoid confusion and discourage phishing attacks, [IDNA Mapping][idna] transforms
 * names to avoid confusing characters. This includes basic case folding: transforming shouting
 * `SQUARE.COM` into cool and casual `square.com`. It also handles more exotic characters. For
 * example, the Unicode trademark sign (™) could be confused for the letters "TM" in