* The map of artifacts accessible by the versionlessKey, i.e. groupId:artifactId
     *
     * @return a Map of artifacts, never {@code null}
     * @see #getArtifacts()
     */
    public Map<String, Artifact> getArtifactMap() {
        if (artifactMap == null) {
            artifactMap = ArtifactUtils.artifactMapByVersionlessId(getArtifacts());
        }

        return artifactMap;
    }

    @Override

        public void addArtifact(Artifact a) {
            artifactMap.put(a.getGroupId() + ":" + a.getArtifactId() + ":" + a.getClassifier(), a);
        }

        public Map<String, Artifact> getArtifactMap() {
            return artifactMap;
        }

        public void setDescription(String description) {
            this.description = description;
        }

        public String getDescription() {