/**
     * Gets the effective group identifier of the model.
     *
     * @return The effective group identifier of the model or an empty string if unknown, never {@code null}.
     */
    public String getGroupId() {
        return (groupId != null) ? groupId : "";
    }

    /**
     * Sets the effective group identifier of the model.
     *

        this.classLoadingStrategy = classLoadingStrategy;
    } // -- void setClassLoadingStrategy( String )

    /**
     * Set the group ID of the extension's artifact.
     *
     * @param groupId a groupId object.
     */
    public void setGroupId(String groupId) {
        this.groupId = groupId;
    } // -- void setGroupId( String )

    /**
     * Set the version of the extension.
     *

        super(cause);
        this.groupId = groupId;
        this.artifactId = artifactId;
        this.version = version;
    }

    /**
     * Gets the group id of the unresolvable model.
     *
     * @return The group id of the unresolvable model, can be empty but never {@code null}.
     */
    public String getGroupId() {
        return groupId;
    }

    /**
     * Gets the artifact id of the unresolvable model.

- Fixed a bug where the kubelet ephemerally failed with `failed to initialize top level QOS containers: root container [kubepods] doesn't exist`, due to the cpuset cgroup being deleted on cgroup v2 with systemd cgroup manager.
   ([#125923](https://github.com/kubernetes/kubernetes/pull/125923), [@haircommander](https://github.com/haircommander)) [SIG Node and Testing]

	}{
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.GroupBy{
				Columns: []clause.Column{{Name: "role"}},
				Having:  []clause.Expression{clause.Eq{"role", "admin"}},
			}},
			"SELECT * FROM `users` GROUP BY `role` HAVING `role` = ?",
			[]interface{}{"admin"},
		},
		{
			[]clause.Interface{clause.Select{}, clause.From{}, clause.GroupBy{
				Columns: []clause.Column{{Name: "role"}},

     * @param data The data to store in the cache, must not be {@code null}.
     */
    void put(String groupId, String artifactId, String version, String tag, Object data);

    /**
     * Gets the specified data from the cache.
     *
     * @param groupId The group id of the cache record, must not be {@code null}.
     * @param artifactId The artifact id of the cache record, must not be {@code null}.

- github.com/kylelemons/godebug: [v1.1.0](https://github.com/kylelemons/godebug/tree/v1.1.0)
- github.com/opencontainers/cgroups: [v0.0.1](https://github.com/opencontainers/cgroups/tree/v0.0.1)
- github.com/planetscale/vtprotobuf: [0393e58](https://github.com/planetscale/vtprotobuf/tree/0393e58)

     */
    static String toId(String groupId, String artifactId, String version) {
        StringBuilder buffer = new StringBuilder(128);

        buffer.append((groupId != null && !groupId.isEmpty()) ? groupId : "[unknown-group-id]");
        buffer.append(':');
        buffer.append((artifactId != null && !artifactId.isEmpty()) ? artifactId : "[unknown-artifact-id]");

  <modelVersion>4.0.0</modelVersion>
  <groupId>com.example.group</groupId>
  <artifactId>testinvalidpom</artifactId>
  <version>0.0.1-SNAPSHOT</version>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId>the.groupId.Of.This.Plugin</groupId>
          <artifactId/>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>

  <modelVersion>4.0.0</modelVersion>
  <groupId>com.example.group</groupId>
  <artifactId>testinvalidpom</artifactId>
  <version>0.0.1-SNAPSHOT</version>

  <build>
    <pluginManagement>
      <plugins>
        <plugin>
          <groupId></groupId>
          <artifactId/>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>