Actions.with(project, mutationGuard.withMutationEnabled(configureAction));
            }
        }));
    }

    @Override
    public MutationGuard getMutationGuard() {
        return mutationGuard;
    }

    private final static BuildOperationDescriptor.Builder ALLPROJECTS_DETAILS = computeConfigurationBlockBuildOperationDetails("allprojects");

            // if we make CollectionProviders implement ChangingValue
            element.clearCache();
        }
        return added;
    }

    @Override
    public MutationGuard getMutationGuard() {
        return mutationGuard;
    }

    protected class RealizedElementCollectionIterator implements Iterator<T> {
        final List<Element<T>> backingList;