public void execute(T t) {
                    getDelegate().getEventRegister().fireObjectRemoved(t);
                }
            });
        }
    }

    public void removeCollection(DomainObjectCollection<? extends T> collection) {
        getStore().removeComposited(collection);
        for (T item : collection) {
            getDelegate().getEventRegister().fireObjectRemoved(item);
        }

    }

    def "removing collection removes all instances"() {
        def instance = collection("a", "b")
        def composite = composite(instance, instance)

        when:
        composite.removeCollection(instance)

        then:
        composite.toList() == []
    }

                inheritedArtifacts.removeCollection(configuration.getAllArtifacts());
            }
            if (inheritedDependencies != null) {
                inheritedDependencies.removeCollection(configuration.getAllDependencies());
            }
            if (inheritedDependencyConstraints != null) {
                inheritedDependencyConstraints.removeCollection(configuration.getAllDependencyConstraints());