assertTrue(multimap.containsKey("foo"));
    assertFalse(multimap.containsKey("cat"));
    assertTrue(multimap.containsValue(1));
    assertFalse(multimap.containsValue(5));
    assertTrue(multimap.containsEntry("foo", 1));
    assertFalse(multimap.containsEntry("cat", 1));
    assertFalse(multimap.containsEntry("foo", 5));
    assertFalse(multimap.entries().isEmpty());

     * --- fail(). (If the test were to pass, its output would be hidden.)
     * - Run the test.
     * - Pull the relevant lines of output from the test into a testcases file.
     * - Test the output:
     * --- cat testcases | while read L; do
     *       X=($L)
     *       A=$( cd /b/c && sudo mkdir -p ${X[0]} && cd ${X[0]} && pwd |
     *           sed -e 's#^//*#/#' )
     *       B=$( cd /b/c && cd ${X[1]} && pwd )

      return new SampleElements<>(
          immutableEntry("bar", 1),
          immutableEntry("bar", 2),
          immutableEntry("foo", 3),
          immutableEntry("bar", 3),
          immutableEntry("cat", 2));
    }

    @Override
    public Collection<Entry<String, Integer>> create(Object... elements) {
      Multimap<String, Integer> multimap = createMultimap();
      for (Object element : elements) {

            }
        } catch (final Exception e) {
            logger.warn("Failed to access /_{}/{}", v1, v2, e);
        }
    }

    /**
     * Writes OpenSearch CAT API responses to the ZIP output stream.
     *
     * @param zos the ZIP output stream to write to
     * @param id the diagnostic ID for organizing files in the ZIP
     */

  }

  public void testForArrayWithPosition() {
    String[] array = {"foo", "bar", "cat"};
    Iterator<String> iterator = Iterators.forArrayWithPosition(array, 1);
    assertTrue(iterator.hasNext());
    assertEquals("bar", iterator.next());
    assertTrue(iterator.hasNext());
    assertEquals("cat", iterator.next());
    assertFalse(iterator.hasNext());
  }

    doTestTrimFrom("x-x-", "x-x");
    doTestTrimFrom("x-xx", "x-xx");
    doTestTrimFrom("x-x--xx---x----x", "x-x--xx---x----x");
    // additional testing using the doc example
    assertEquals("cat", anyOf("ab").trimFrom("abacatbab"));
  }

  private void doTestTrimFrom(String in, String out) {
    // Try a few different matchers which all match '-' and not 'x'
    assertEquals(out, is('-').trimFrom(in));

  }

  public void testForArrayWithPosition() {
    String[] array = {"foo", "bar", "cat"};
    Iterator<String> iterator = Iterators.forArrayWithPosition(array, 1);
    assertTrue(iterator.hasNext());
    assertEquals("bar", iterator.next());
    assertTrue(iterator.hasNext());
    assertEquals("cat", iterator.next());
    assertFalse(iterator.hasNext());
  }

    doTestTrimFrom("x-x-", "x-x");
    doTestTrimFrom("x-xx", "x-xx");
    doTestTrimFrom("x-x--xx---x----x", "x-x--xx---x----x");
    // additional testing using the doc example
    assertEquals("cat", anyOf("ab").trimFrom("abacatbab"));
  }

  private void doTestTrimFrom(String in, String out) {
    // Try a few different matchers which all match '-' and not 'x'
    assertEquals(out, is('-').trimFrom(in));

   * the beginning and from the end of the string. For example:
   *
   * {@snippet :
   * CharMatcher.anyOf("ab").trimFrom("abacatbab")
   * }
   *
   * ... returns {@code "cat"}.
   *
   * <p>Note that:
   *
   * {@snippet :
   * CharMatcher.inRange('\0', ' ').trimFrom(str)
   * }
   *
   * ... is equivalent to {@link String#trim()}.
   */

ns.ca
nt.ca
nu.ca
on.ca
pe.ca
qc.ca
sk.ca
yk.ca
// gc.ca: https://en.wikipedia.org/wiki/.gc.ca
// see also: http://registry.gc.ca/en/SubdomainFAQ
gc.ca

// cat : https://www.iana.org/domains/root/db/cat.html
cat

// cc : https://www.iana.org/domains/root/db/cc.html
cc

// cd : https://www.iana.org/domains/root/db/cd.html
// see also: https://www.nic.cd/domain/insertDomain_2.jsp?act=1
cd