for (Iterator<Artifact> it = missing.iterator(); it.hasNext(); ) {
                    String key = ArtifactUtils.key(it.next());
                    if (projectIds.contains(key)) {
                        it.remove();
                    }
                }

                if (!missing.isEmpty()) {
                    throw e;

                    }
                }
                String key = ArtifactIdUtils.toVersionlessId(
                        dependency.getGroupId(), dependency.getArtifactId(), dependency.getType(), classifier);
                dependencies.put(key, dependency);
            }
            for (Artifact artifact : project.getDependencyArtifacts()) {
                String key = artifact.getDependencyConflictId();