/**
   * Returns the set of values that are contained in both this set and the other.
   *
   * <p>This method should always be used instead of {@link Sets#intersection} for {@link
   * ContiguousSet} instances.
   */
  public abstract ContiguousSet<C> intersection(ContiguousSet<C> other);

  /**

declare -r script_name=activator
java_cmd=$(get_java_cmd)
declare -r java_opts=( "${ACTIVATOR_OPTS[@]}" "${SBT_OPTS[@]}" "${JAVA_OPTS[@]}" "${java_opts[@]}" )
userhome="$HOME"
if is_cygwin; then
  # cygwin sets home to something f-d up, set to real windows homedir
  userhome="$USERPROFILE"
fi
declare -r activator_user_home_dir="${userhome}/.activator"
declare -r java_opts_config_home="${activator_user_home_dir}/activatorconfig.txt"

            Currency.DOLLAR, "dollar",
            Currency.PESO, "peso",
            Currency.FRANC, "franc");
    EnumHashBiMap<Currency, String> bimap = EnumHashBiMap.create(map);

    Set<Object> uniqueEntries = Sets.newIdentityHashSet();
    uniqueEntries.addAll(bimap.entrySet());
    assertEquals(3, uniqueEntries.size());
  }

  @J2ktIncompatible
  @GwtIncompatible // serialize
  public void testSerializable() {

                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {
                    return Lists.newArrayList(Sets.newTreeSet(insertionOrder));
                  }
                })
            .named("TreeMultiset[Ordering.natural].elementSet")
            .withFeatures(
                CollectionSize.ANY,

@GwtIncompatible
public class TestsForSetsInJavaUtil {
  public static Test suite() {
    return new TestsForSetsInJavaUtil().allTests();
  }

  public Test allTests() {
    TestSuite suite = new TestSuite("java.util Sets");
    suite.addTest(testsForCheckedNavigableSet());
    suite.addTest(testsForEmptySet());
    suite.addTest(testsForEmptyNavigableSet());
    suite.addTest(testsForEmptySortedSet());

    }

    def convertsPropertySetterMethodCommentToPropertyComment() {
        PropertyMetaData propertyMetaData = Mock()
        _ * propertyMetaData.rawCommentText >> 'sets the name of the thing.'

        when:
        def result = parser.parse(propertyMetaData, listener)

        then:
        format(result.docbook) == '''<para>The name of the thing.</para>'''
    }

  // Enables running eager ops as functions.
  virtual void SetRunEagerOpAsFunction(bool enable) = 0;

  // Enables rewriting jit_compile functions.
  virtual void SetJitCompileRewrite(bool enable) = 0;

  // Sets the device placement policy for the current thread.
  virtual void SetThreadLocalDevicePlacementPolicy(
      ContextDevicePlacementPolicy policy) = 0;
  // Returns the device placement policy for the current thread.

```

////

## Set types

But then we think about it, and realize that tags shouldn't repeat, they would probably be unique strings.

And Python has a special data type for sets of unique items, the `set`.

Then we can declare `tags` as a set of strings:

//// tab | Python 3.10+

```Python hl_lines="12"
{!> ../../docs_src/body_nested_models/tutorial003_py310.py!}
```

////

func (list *TargetList) Exists(id TargetID) bool {
	list.RLock()
	defer list.RUnlock()

	_, found := list.targets[id]
	return found
}

// TargetIDResult returns result of Remove/Send operation, sets err if
// any for the associated TargetID
type TargetIDResult struct {
	// ID where the remove or send were initiated.
	ID TargetID
	// Stores any error while removing a target or while sending an event.
	Err error

				return "127.0.0.1"
			}
			return ip
		})
		nonInterIPV4s = mustGetLocalIP4().Intersection(hostIPs)
	}
	nonInterIPV6s := mustGetLocalIP6().Intersection(hostIPs)

	// If intersection of two IP sets is not empty, then the host is localhost.
	isLocalv4 := !nonInterIPV4s.IsEmpty()
	isLocalv6 := !nonInterIPV6s.IsEmpty()
	if port != "" {
		return (isLocalv4 || isLocalv6) && (port == localPort), nil
	}