System.out.println(SystemUtil.OS_NAME);
        System.out.println(SystemUtil.JAVA_IO_TMPDIR);
        System.out.println(SystemUtil.USER_DIR);
        System.out.println(SystemUtil.USER_HOME);
    }

@Deprecated
public class SettingsXmlConfigurationProcessor implements ConfigurationProcessor {
    public static final String HINT = "settings";

    public static final String USER_HOME = System.getProperty("user.home");

    public static final File USER_MAVEN_CONFIGURATION_HOME = new File(USER_HOME, ".m2");

    public static final File DEFAULT_USER_SETTINGS_FILE = new File(USER_MAVEN_CONFIGURATION_HOME, "settings.xml");

     */
    public static final String USER_DIR = System.getProperty("user.dir");

    /**
     * <code>user.home</code> system property.
     */
    public static final String USER_HOME = System.getProperty("user.home");

    /**
     * Returns the system property value for the specified key.
     *
     * @param key the property key
     * @return the property value, or null if not found
     */

  /** Line separator ("\n" on UNIX). */
  LINE_SEPARATOR("line.separator"),

  /** User's account name. */
  USER_NAME("user.name"),

  /** User's home directory. */
  USER_HOME("user.home"),

  /** User's current working directory. */
  USER_DIR("user.dir");

  private final String key;

  StandardSystemProperty(String key) {
    this.key = key;
  }

     */
    public static final String USER_HOME = System.getProperty("user.home");

    /**
     * @deprecated Use {@link org.apache.maven.api.Constants#MAVEN_USER_CONF} instead
     */
    public static final File USER_MAVEN_CONFIGURATION_HOME = new File(USER_HOME, ".m2");

    /**