this.managedVersions = ArtifactUtils.copyArtifacts(managedVersions, new LinkedHashMap<>());
            }

            File pomFile = pomArtifact.getFile();
            if (pomFile != null && pomFile.canRead()) {
                this.length = pomFile.length();
                this.timestamp = pomFile.lastModified();
            } else {
                this.length = -1;
                this.timestamp = -1;
            }