return plan.keySet().stream();
    }

    public void addProject(MavenProject project, Map<String, BuildStep> steps) {
        plan.put(project, steps);
    }

    public void addStep(MavenProject project, String name, BuildStep step) {
        plan.get(project).put(name, step);
    }

    public Stream<BuildStep> allSteps() {
        return plan.values().stream().flatMap(m -> m.values().stream());

        }

        public String getDirectField() {
            return directField;
        }

        public List<String> getItems() {
            return items;
        }

        public void addItem(String item) {
            this.items.add(item);
        }
    }