SetOpAttrValueScalar(ctx, op, i_list_values, "strides", status);

  tensorflow::AttrValue padding_value;
  *padding_value.mutable_s() = "VALID";
  tensorflow::SetOpAttrValueScalar(ctx, op, padding_value, "padding", status);

  tensorflow::AttrValue data_format_value;
  *data_format_value.mutable_s() = "NHWC";
  tensorflow::SetOpAttrValueScalar(ctx, op, data_format_value, "data_format",
                                   status);

			opts := &buildClusterOpts{
				mutable: newClusterWrapper(&cluster.Cluster{
					ClusterDiscoveryType: &cluster.Cluster_Type{Type: test.discoveryType},
				}),
				mesh: push.Mesh,
			}
			if test.h2 {
				setH2Options(opts.mutable)
			}
			cb.applyUpstreamTLSSettings(opts, test.tls, test.mtlsCtx)

			if test.expectTransportSocket && opts.mutable.cluster.TransportSocket == nil ||

  public static <E extends Enum<E>> Collector<E, ?, ImmutableSet<E>> toImmutableEnumSet() {
    return CollectCollectors.toImmutableEnumSet();
  }

  /**
   * Returns a new, <i>mutable</i> {@code EnumSet} instance containing the given elements in their
   * natural order. This method behaves identically to {@link EnumSet#copyOf(Collection)}, but also
   * accepts non-{@code Collection} iterables and empty iterables.

   *
   * @since 21.0
   */
  public static <E extends Enum<E>> Collector<E, ?, ImmutableSet<E>> toImmutableEnumSet() {
    return CollectCollectors.toImmutableEnumSet();
  }

  /**
   * Returns a new, <i>mutable</i> {@code EnumSet} instance containing the given elements in their
   * natural order. This method behaves identically to {@link EnumSet#copyOf(Collection)}, but also
   * accepts non-{@code Collection} iterables and empty iterables.

        e.cause instanceof IllegalStateException
        e.cause.message == "Cannot create 'thing.child' using creation rule 'create thing.child as String' as model element 'thing' is no longer mutable."
    }

    def "cannot set value when element is not mutable"() {
        def action = Stub(Action)

        given:
        registry.registerInstance("thing", "value")

  // Protects mutable state in *impl_.  This is mutable as some const
  // methods need to lock it too.
  mutable internal::Mutex mutex_;

  // Opaque implementation object.  This field is never changed once
  // the object is constructed.  We don't mark it as const here, as
  // doing so will cause a warning in the constructor of UnitTest.
  // Mutable state in *impl_ is protected by mutex_.

  // Protects mutable state in *impl_.  This is mutable as some const
  // methods need to lock it too.
  mutable internal::Mutex mutex_;

  // Opaque implementation object.  This field is never changed once
  // the object is constructed.  We don't mark it as const here, as
  // doing so will cause a warning in the constructor of UnitTest.
  // Mutable state in *impl_ is protected by mutex_.

 * <li>For each property whose getter is annotated with {@link Inject}, service instance will be injected instead. These properties may have a setter method and may be abstract.</li>
 * <li>For each mutable property as set method is generated.</li>
 * <li>For each method whose last parameter is an {@link org.gradle.api.Action}, an override is generated that accepts a {@link groovy.lang.Closure} instead.</li>

    }

    private void assertMutable() {
        if (state.get() != State.INIT) {
            throw new IllegalStateException("Cannot add services to service registry " + this + " as it is no longer mutable");
        }
    }

    private ServiceRegistration newRegistration() {
        return new ServiceRegistration() {
            @Override

Note that this requirement makes it unsupported to write tasks that configure other tasks at execution time.

[[config_cache:requirements:shared_objects]]
=== Sharing mutable objects
When storing a task to the configuration cache, all objects directly or indirectly referenced through the task's fields are serialized.