String[] potentiallyValidCrons = { "0 0 * * * ?", // Every hour
                "0 */15 * * * ?", // Every 15 minutes
                "0 0 12 * * ?", // Daily at noon
                "0 15 10 ? * MON-FRI" // Weekdays at 10:15
        };

        // Test each pattern and see what actually works
        for (String cron : potentiallyValidCrons) {
            boolean result = validator.isValid(cron, context);

        .build()
    val urlWithIpAddress = urlWithIpAddress(server, "/path/foo")
    server.enqueue(
      MockResponse
        .Builder()
        .addHeader(
          "Set-Cookie: a=android; " +
            "expires=Fri, 31-Dec-9999 23:59:59 GMT; " +
            "path=/path; " +
            "domain=${urlWithIpAddress.host}; " +
            "secure",
        ).build(),
    )
    get(urlWithIpAddress)

        .Builder()
        .name("a")
        .value("b")
        .hostOnlyDomain("example.com")
        .expiresAt(Long.MAX_VALUE)
        .build()
    assertThat(cookie.toString()).isEqualTo("a=b; expires=Fri, 31 Dec 9999 23:59:59 GMT; path=/")
  }

  @Test fun builderExpiresAt() {
    val cookie =
      Cookie
        .Builder()
        .name("a")
        .value("b")
        .hostOnlyDomain("example.com")

      MockResponse(
        headers =
          headersOf(
            "Set-Cookie",
            "a=b; Expires=Thu, 01 Jan 1970 00:00:00 GMT",
            "Set-Cookie",
            "c=d; Expires=Fri, 02 Jan 1970 23:59:59 GMT; path=/bar; secure",
          ),
      ),
    )
    val cookieJar = RecordingCookieJar()
    client =
      client
        .newBuilder()
        .cookieJar(cookieJar)

     *
     * <blockquote>
     *
     * <pre>
     * winnt&gt; ls c?o*
     * clock.avi                  -rw--      82944 Mon Oct 14 1996 1:38 AM
     * Cookies                    drw--          0 Fri Nov 13 1998 9:42 PM
     * 2 items in 5ms
     * </pre>
     *
     * </blockquote>
     *
     * If strict resource lifecycle is used, make sure you close the individual files after use.
     *

     *
     * <blockquote><pre>
     * winnt> ls c?o*
     * clock.avi                  -rw--      82944 Mon Oct 14 1996 1:38 AM
     * Cookies                    drw--          0 Fri Nov 13 1998 9:42 PM
     * 2 items in 5ms
     * </pre></blockquote>
     *
     * @param wildcard a wildcard expression
     * @throws SmbException if an error occurs while listing the files

	// type of s is string
	// s == a[i]
	g(i, s)
}

var key string
var val interface{}  // element type of m is assignable to val
m := map[string]int{"mon":0, "tue":1, "wed":2, "thu":3, "fri":4, "sat":5, "sun":6}
for key, val = range m {
	h(key, val)
}
// key == last map key encountered in iteration
// val == map[key]

var ch chan Work = producer()
for w := range ch {
	doWork(w)