}
    };

    interface Artifacts {
        /**
         * Called before any of the other methods are called on this set.
         */
        default void prepareForVisitingIfNotAlready() {}

        /**
         * Queues up any work still remaining to finalize the set of artifacts contained in this set.
         */

            return;
        }

        // Calculate the artifacts now
        result.finalizeIfNotAlready();
        for (Artifacts artifacts : result.get()) {
            artifacts.prepareForVisitingIfNotAlready();
            visitor.visitArtifacts(artifacts);
        }
        // Need to fire an "end collection" event. Should clean this up so it is not necessary
        visitor.visitArtifacts(new EndCollection(this));

            return capabilities;
        }

        public List<BoundTransformStep> getTransformSteps() {
            return transformSteps;
        }

        @Override
        public void prepareForVisitingIfNotAlready() {
            // The parameters of the transforms should already be isolated prior to visiting this set.