code: public List<GitlabEvent> getEvents(GitlabProject project,
                                         GitlabEvent.ActionType action,
                                         GitlabEvent.TargetType targetType,
                                         GitlabDate before,
                                         GitlabDate after,
                                         SortOrder sortOrder)
          throws IOException {
          return getEvents(project, action, targetType, before,
                           after, sortOrder, new Pagination());
      }
docs: Get events for a project.
  
  @param action If not null, include only events of a particular action type
  @param targetType If not null, include only events of a particular target type
  @param before If not null, include only events created before a particular date.
  @param after If not null, include only events created before a
  particular date.
  @param sortOrder If null, uses the server's default, which is "desc"