assertEquals(c, ImmutableMultiset.of("a", "b", "a"));
    assertEquals(c, ImmutableMultiset.of("a", "a", "b"));
    assertThat(c).isNotEqualTo(ImmutableMultiset.of("a", "b"));
    assertThat(c).isNotEqualTo(ImmutableMultiset.of("a", "b", "c", "d"));
  }

  public void testIterationOrder() {
    Collection<String> c = ImmutableMultiset.of("a", "b", "a");
    assertThat(c).containsExactly("a", "a", "b").inOrder();

    List<String> list = ImmutableList.of("a", "b");
    assertEquals(Lists.newArrayList("a", "b"), list);
  }

  public void testCreation_threeElements() {
    List<String> list = ImmutableList.of("a", "b", "c");
    assertEquals(Lists.newArrayList("a", "b", "c"), list);
  }

  public void testCreation_fourElements() {
    List<String> list = ImmutableList.of("a", "b", "c", "d");

    assertThat(c).isNotEqualTo(ImmutableSortedMultiset.of("a", "b"));
    assertThat(c).isNotEqualTo(ImmutableSortedMultiset.of("a", "b", "c", "d"));
  }

  public void testIterationOrder() {
    Collection<String> c = ImmutableSortedMultiset.of("a", "b", "a");
    assertThat(c).containsExactly("a", "a", "b").inOrder();
  }

  public void testMultisetWrites() {

        conversions[diagnostic] = creator
    }

    fun <A, B> add(diagnostic: KtDiagnosticFactory2<A, B>, creator: KaFirDiagnostic2Creator<A, B>) {
        conversions[diagnostic] = creator
    }

    fun <A, B, C> add(diagnostic: KtDiagnosticFactory3<A, B, C>, creator: KaFirDiagnostic3Creator<A, B, C>) {
        conversions[diagnostic] = creator
    }

		d = a + bits.RotateLeft32((a^b^c)+d+x4+0x4bdecfa9, 11)
		c = d + bits.RotateLeft32((d^a^b)+c+x7+0xf6bb4b60, 16)
		b = c + bits.RotateLeft32((c^d^a)+b+xa+0xbebfbc70, 23)
		a = b + bits.RotateLeft32((b^c^d)+a+xd+0x289b7ec6, 4)
		d = a + bits.RotateLeft32((a^b^c)+d+x0+0xeaa127fa, 11)
		c = d + bits.RotateLeft32((d^a^b)+c+x3+0xd4ef3085, 16)
		b = c + bits.RotateLeft32((c^d^a)+b+x6+0x04881d05, 23)

        where:
        elements << [["a"], ["a", "b"]]
    }

    def "has a nice toString method"() {
        expect:
        PersistentList.of().toString() == "Nil"
        PersistentList.of("a").toString() == "a"
        PersistentList.of("a", "b").toString() == "a : b"
        PersistentList.of("a", "b", "c").toString() == "a : b : c"
        PersistentList.of("a", "b", "c", "d").toString() == "a : b : c : d"
    }

	}

	test(getTestTree(), []testCase{
		{"GET", "", "/a", "/a", nil},
		{"Get", "", "/b", "", nil},
		{"Get", "", "/a/b", "/a/b", nil},
		{"Get", "", "/a/c", "/a/{x}", []string{"c"}},
		{"Get", "", "/a/b/", "/a/b/{$}", nil},
		{"Get", "", "/a/b/c", "/a/b/{y}", []string{"c"}},
		{"Get", "", "/a/b/c/d", "/a/b/{x...}", []string{"c/d"}},
		{"Get", "", "/g/h/i", "/g/h/i", nil},
		{"Get", "", "/g/h/j", "/g/{x}/j", []string{"h"}},
	})

  }

  public void testSumEmptyNonempty() {
    Multiset<String> ms1 = HashMultiset.create();
    Multiset<String> ms2 = HashMultiset.create(Arrays.asList("a", "b", "a"));
    assertThat(Multisets.sum(ms1, ms2)).containsExactly("a", "b", "a");
  }

  public void testSumNonemptyEmpty() {
    Multiset<String> ms1 = HashMultiset.create(Arrays.asList("a", "b", "a"));

    @Rule
    public final BlockingHttpServer blockingServer = new BlockingHttpServer()

    def setup() {
        blockingServer.start()

        createDirs("a", "b", "c")
        settingsFile << """
            include 'a', 'b', 'c'
        """
        buildFile << """
            allprojects {
                task ping {
                    def projectName = project.name
                    doLast {

        "HashSet<String>"                    | "['a', 'b', 'c'] as HashSet"              | "[a, b, c]"
        "LinkedHashSet<String>"              | "['a', 'b', 'c'] as LinkedHashSet"        | "[a, b, c]"
        "CopyOnWriteArraySet<String>"        | "['a', 'b', 'c'] as CopyOnWriteArraySet"  | "[a, b, c]"
        "TreeSet<String>"                    | "['a', 'b', 'c'] as TreeSet"              | "[a, b, c]"