/**
     * Displays the main maintenance page.
     *
     * @return HTML response for the maintenance index page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asIndexHtml();
    }

    private HtmlResponse asIndexHtml() {

      return SECONDS;
    }
    if (MILLISECONDS.convert(nanos, NANOSECONDS) > 0) {
      return MILLISECONDS;
    }
    if (MICROSECONDS.convert(nanos, NANOSECONDS) > 0) {
      return MICROSECONDS;
    }
    return NANOSECONDS;
  }

  private static String abbreviate(TimeUnit unit) {
    switch (unit) {
      case NANOSECONDS:
        return "ns";
      case MICROSECONDS:
        return "\u03bcs"; // μs

     * @return Array of permission strings.
     */
    String[] getPermissions();

    /**
     * Determines if the user's information can be edited.
     * @return True if the user's information is editable, false otherwise.
     */
    default boolean isEditable() {
        return false;
    }

    /**
     * Refreshes the user's information from the underlying data source.

        case CrudMode.CREATE:
            return OptionalEntity.of(new AccessToken()).map(entity -> {
                entity.setCreatedBy(username);
                entity.setCreatedTime(currentTime);
                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {

    }

    @Override
    public int hashCode() {
      return 1;
    }

    private Object writeReplace() {
      return new OtherForm();
    }

    private static class OtherForm implements Serializable {
      @Override
      public boolean equals(@Nullable Object other) {
        return (other instanceof ObjectWhichIsEqualButChangesClass || other instanceof OtherForm);
      }

      @Override

    }

    @Override
    public int hashCode() {
      return 1;
    }

    private Object writeReplace() {
      return new OtherForm();
    }

    private static class OtherForm implements Serializable {
      @Override
      public boolean equals(@Nullable Object other) {
        return (other instanceof ObjectWhichIsEqualButChangesClass || other instanceof OtherForm);
      }

      @Override

    /**
     * Get configuration to pass to all goals run in this phase.
     *
     * @return Object
     */
    public Object getConfiguration() {
        return this.configuration;
    } // -- Object getConfiguration()

    /**
     * Method getExecutions.
     *
     * @return List
     */
    public java.util.List<Execution> getExecutions() {
        if (this.executions == null) {

     * Releases and returns the transaction buffer
     * @return the txn_buf
     */
    public byte[] releaseBuffer() {
        final byte[] buf = this.txn_buf;
        this.txn_buf = null;
        return buf;
    }

    /**
     * Gets the transaction subcommand
     * @return the subCommand
     */
    public final byte getSubCommand() {
        return this.subCommand;
    }

    /**

        public Artifact getArtifact() {
            return pomArtifact;
        }

        public Artifact getRelocatedArtifact() {
            return relocatedArtifact;
        }

        public List<Artifact> getArtifacts() {
            return artifacts;
        }

        public Map<String, Artifact> getManagedVersions() {
            return managedVersions;
        }

      if (files != null) {
        for (File f : files) {
          if (!delete(f)) {
            return false;
          }
        }
      }
    }

    if (!file.delete()) {
      logger.log(Level.WARNING, "couldn't delete file: {0}", new Object[] {file});
      return false;
    }

    return true;
  }