this.repositories.addAll(remoteRepositories);

            int hash = 17;
            hash = hash * 31 + artifactHashCode(artifact);
            hash = hash * 31 + (resolveManagedVersions ? 1 : 2);
            hash = hash * 31 + repositoriesHashCode(repositories);
            this.hashCode = hash;
        }

        @Override
        public int hashCode() {
            return hashCode;

                && Objects.equals(restrictions, other.restrictions);
    }

    public int hashCode() {
        int hash = 7;
        hash = 31 * hash + (recommendedVersion == null ? 0 : recommendedVersion.hashCode());
        hash = 31 * hash + (restrictions == null ? 0 : restrictions.hashCode());
        return hash;
    }

            return Objects.equals(stringPart, that.stringPart) && Objects.equals(digitPart, that.digitPart);
        }

        @Override
        public int hashCode() {
            return Objects.hash(stringPart, digitPart);
        }

        @Override
        public String toString() {
            return stringPart.toString() + digitPart.toString();
        }
    }

    /**

        Proxy proxy = repository.getProxy();
        if (proxy != null) {
            if (proxy.getUserName() != null) {
                int hash = (proxy.getUserName() + proxy.getPassword()).hashCode();
                buffer.append(hash).append('@');
            }
            buffer.append(proxy.getHost()).append(':').append(proxy.getPort()).append('>');
        }

            int hash = 17;
            hash = hash * 31 + groupId.hashCode();
            hash = hash * 31 + artifactId.hashCode();
            hash = hash * 31 + classifier.hashCode();
            hash = hash * 31 + extension.hashCode();
            hash = hash * 31 + version.hashCode();
            hash = hash * 31 + localRepo.hashCode();
            hash = hash * 31 + repositories.hashCode();

                        In order to create the key pair, use the command "gpg ––gen-key".
                        (–– stands for double dash)
                        -->
                        <artifactId>maven-gpg-plugin</artifactId>
                        <version>1.6</version>
                        <executions>
                            <execution>

        final List<RemoteRepository> repositories;
        final int hash;

        Key(String groupId, String artifactId, List<RemoteRepository> repositories) {
            this.groupId = groupId;
            this.artifactId = artifactId;
            this.repositories = repositories;
            this.hash = Objects.hash(groupId, artifactId, repositories);
        }

        @Override

                && Objects.equals(classifier, that.classifier)
                && Objects.equals(version, that.version);
    }

    @Override
    public int hashCode() {
        return Objects.hash(groupId, artifactId, type, classifier, version);
    }

    @Override
    public String getBaseVersion() {
        if (baseVersion == null && version != null) {
            setBaseVersionInternal(version);