return pomHash == other.pomHash
                        && artifactEquals(artifact, other.artifact)
                        && resolveManagedVersions == other.resolveManagedVersions
                        && repositoriesEquals(repositories, other.repositories);
            } else {
                return false;
            }
        }
    }

    private static int artifactHashCode(Artifact a) {
        int result = 17;