Set/* <Artifact> */intersectedArtifacts = new LinkedHashSet(); for (int j = 0; j < intersected.length; j++) { Collection arts = getArtifactsIncludingExtending(intersected[j]); if (intersectedArtifacts.isEmpty()) { intersectedArtifacts.addAll(arts); Set/* <Artifact> */groupArtifacts = new LinkedHashSet(); for (int i = 0; i < members.length; i++) { groupArtifacts.addAll(getArtifactsIncludingExtending(members[i]));