useMapping = false;
            }
            if (useMapping) {
                returnValue = Cast.uncheckedNonnullCast(_mappings.get(propertyName).getValue(_convention, _source));
            }
        }
        return returnValue;
    }

    @Deprecated
    @Override
    public org.gradle.api.plugins.Convention getConvention() {

      values.add(null);
    }

    this.values = values;
  }

  @Override
  final void collectOneValue(int index, @ParametricNullness V returnValue) {
    List<@Nullable Present<V>> localValues = values;
    if (localValues != null) {
      localValues.set(index, new Present<>(returnValue));
    }
  }

  @Override
  final void handleAllCompleted() {
    List<@Nullable Present<V>> localValues = values;

        where:
        methodName                    | expectedMessage                                                                                    | descr
        "returnValue"                 | "A method annotated with @ComponentType must have void return type."                               | "non void method"

        where:
        methodName                 | expectedMessage                                                                                                                     | descr
        "returnValue"              | "A method annotated with @BinaryTasks must have void return type."                                                                  | "non void method"

        "binaryTypeBuilder" | "A method annotated with @ComponentType must have a single parameter of type ${TypeBuilder.name}."                      | "wrong builder type"
        "returnValue"       | "A method annotated with @ComponentType must have void return type."                                                    | "method with return type"

        private T returnValue;

        @Override
        public void execute(CallableBuildOperation<T> buildOperation, BuildOperationContext context) throws Exception {
            returnValue = buildOperation.call(context);
        }

        public T getReturnValue() {
            return returnValue;
        }
    }

        "extraParameter" | "A method annotated with @ComponentType must have a single parameter of type ${TypeBuilder.name}."              | "additional rule parameter"
        "returnValue"    | "A method annotated with @ComponentType must have void return type."                                            | "method with return type"

    super(futures, allMustSucceed, false);
    this.task = new CallableInterruptibleTask(callable, listenerExecutor);
    init();
  }

  @Override
  void collectOneValue(int index, @CheckForNull Object returnValue) {}

  @Override
  void handleAllCompleted() {
    CombinedFutureInterruptibleTask<?> localTask = task;
    if (localTask != null) {
      localTask.execute();
    }
  }

  @Override

    super(futures, allMustSucceed, false);
    this.task = new CallableInterruptibleTask(callable, listenerExecutor);
    init();
  }

  @Override
  void collectOneValue(int index, @CheckForNull Object returnValue) {}

  @Override
  void handleAllCompleted() {
    CombinedFutureInterruptibleTask<?> localTask = task;
    if (localTask != null) {
      localTask.execute();
    }
  }

  @Override

      throws InvocationTargetException, IllegalAccessException {
    T returnValue = factory.invoke(null, args.toArray());
    if (returnValue == null) {
      Assert.assertTrue(
          factory + " returns null but it's not annotated with @Nullable", isNullable(factory));
    }
    return returnValue;
  }

  /**