when:
        new BaseComponentSpec() {}

        then:
        def e = thrown ModelInstantiationException
        e.message == "Direct instantiation of a BaseComponentSpec is not permitted. Use a @ComponentType rule instead."
    }

    private <T extends ComponentSpec, I extends BaseComponentSpec> T create(Class<T> publicType, Class<I> implType) {
        return BaseComponentFixtures.create(publicType, implType, componentId)

        if (to instanceof WildcardType) {
          return; // Okay to say A[] is <?>
        }
        Type componentType = Types.getComponentType(to);
        checkArgument(componentType != null, "%s is not an array type.", to);
        populateTypeMappings(mappings, fromArrayType.getGenericComponentType(), componentType);
      }

      @Override
      void visitClass(Class<?> fromClass) {

   */
  @CheckForNull
  public final TypeToken<?> getComponentType() {
    Type componentType = Types.getComponentType(runtimeType);
    if (componentType == null) {
      return null;
    }
    return of(componentType);
  }

  /**
   * Returns the {@link Invokable} for {@code method}, which must be a member of {@code T}.
   *
   * @since 14.0
   */

   */
  @CheckForNull
  public final TypeToken<?> getComponentType() {
    Type componentType = Types.getComponentType(runtimeType);
    if (componentType == null) {
      return null;
    }
    return of(componentType);
  }

  /**
   * Returns the {@link Invokable} for {@code method}, which must be a member of {@code T}.
   *
   * @since 14.0
   */

                        }
                    };
                }
            }

            class MySamplePlugin extends RuleSource {
                @ComponentType
                void register(TypeBuilder<SampleBinary> builder) {
                    builder.defaultImplementation(DefaultSampleBinary)
                }
            }

            apply plugin:MySamplePlugin

        when:
        new BaseBinarySpec() {}

        then:
        def e = thrown ModelInstantiationException
        e.message == "Direct instantiation of a BaseBinarySpec is not permitted. Use a @ComponentType rule instead."
    }

    def "binary has name and sensible display name"() {
        def binary = create(SampleBinary, MySampleBinary, "sampleBinary")

        expect:
        binary instanceof SampleBinary

        if (value == null) {
            append("null");
        } else if (value.getClass().isArray()) {
            Class<?> componentType = value.getClass().getComponentType();
            if (componentType.isPrimitive()) {
                append(value.toString());
            } else {
                appendValues((Object[]) value);
            }

            public TypeOf<?> apply(ModelType<?> it) {
                return typeOf(it);
            }
        });
    }

    private static <U> TypeOf<U> typeOf(ModelType<U> componentType) {
        return new TypeOf<U>(componentType) {
        };
    }

    private TypeOf<?> nullableTypeOf(Class<?> type) {
        return type != null
            ? typeOf(type)
            : null;
    }

    }

    private
    fun Type.toCodeTypeString(): String {
        if (this is Class<*> && this.isArray) {
            return this.componentType.toCodeTypeString() + "[]"
        }
        return toString()
            .replace("class ", "")
            .replace("interface ", "")
    }

    companion object {
        private

 * <ul>
 * <li>{@link Model}</li>
 * <li>{@link Defaults}</li>
 * <li>{@link Mutate}</li>
 * <li>{@link Finalize}</li>
 * <li>{@link Validate}</li>
 * <li>{@link Rules}</li>
 * <li>{@link org.gradle.platform.base.ComponentType}</li>
 * <li>{@link org.gradle.platform.base.ComponentBinaries}</li>
 * <li>{@link org.gradle.platform.base.BinaryTasks}</li>
 * </ul>
 * <p>