}

    @Override
    Provider<String> systemProperty(String propertyName) {
        return Providers.ofNullable(System.getProperty(propertyName))
    }

    @Override
    Provider<String> systemProperty(Provider<String> propertyName) {
        return systemProperty(propertyName.get());
    }

    @Override
    Provider<String> gradleProperty(String propertyName) {
        return Providers.notDefined()
    }

    @Override

    private final String propertyName;
    private final StaticValue value;
    private boolean optional;

    public DefaultTaskInputPropertyRegistration(String propertyName, StaticValue value) {
        this.propertyName = propertyName;
        this.value = value;
    }

    @Override
    public String getPropertyName() {
        return propertyName;
    }

    @Override

        return new DefaultInputFileChanges(
            Maps.filterKeys(previous, propertyName -> !incrementalInputProperties.containsKey(propertyName)),
            Maps.filterKeys(current, propertyName -> !incrementalInputProperties.containsKey(propertyName))
        );

    }

    @Override

        return __modifiedProperties.getPropertyNames();
    }

    public void mymodifyProperty(String propertyName) {
        registerModifiedProperty(propertyName);
    }

    public void mymodifyPropertyCancel(String propertyName) {
        __modifiedProperties.remove(propertyName);
    }

    public void clearModifiedInfo() {
        __modifiedProperties.clear();
    }

                    consumer1.visitEmptyOutputFileProperty(propertyName, optional, value);
                    consumer2.visitEmptyOutputFileProperty(propertyName, optional, value);
                }
            };
        }
    }

    @Override

        }

        @Override
        public TypeValidationDataSpec pluginId(String pluginId) {
            this.pluginId = pluginId;
            return this;
        }

        @Override
        public TypeValidationDataSpec propertyName(String propertyName) {
            this.propertyName = propertyName;
            return this;
        }

        return __modifiedProperties.getPropertyNames();
    }

    public void mymodifyProperty(String propertyName) {
        registerModifiedProperty(propertyName);
    }

    public void mymodifyPropertyCancel(String propertyName) {
        __modifiedProperties.remove(propertyName);
    }

    public void clearModifiedInfo() {
        __modifiedProperties.clear();
    }

        return __modifiedProperties.getPropertyNames();
    }

    public void mymodifyProperty(String propertyName) {
        registerModifiedProperty(propertyName);
    }

    public void mymodifyPropertyCancel(String propertyName) {
        __modifiedProperties.remove(propertyName);
    }

    public void clearModifiedInfo() {
        __modifiedProperties.clear();
    }

    private final String propertyName;
    private final Iterable<File> files;
    private final Type type;

    DefaultOutputFileProperty(String propertyName, Iterable<File> files, Type type) {
        this.propertyName = propertyName;
        this.files = files;
        this.type = type;
    }

    @Override
    public String getPropertyName() {
        return propertyName;
    }

    @Override

    override fun property(receiver: DynamicObject, propertyName: String): Any? =
        withDynamicCall(receiver) {
            receiver.getProperty(propertyName)
        }

    override fun findProperty(receiver: DynamicObject, propertyName: String): Any? =
        withDynamicCall(receiver) {
            val dynamicInvokeResult: DynamicInvokeResult = receiver.tryGetProperty(propertyName)