code: public GitLabApiForm getQueryParams() {
          return (new GitLabApiForm()
              .withParam("archived", archived)
              .withParam("visibility", visibility)
              .withParam("order_by", orderBy)
              .withParam("sort", sort)
              .withParam("search", search)
              .withParam("simple", simple)
              .withParam("owned", owned)
              .withParam("starred", starred)
              .withParam("with_custom_attributes", withCustomAttributes)
              .withParam("with_issues_enabled", withIssuesEnabled)
              .withParam("with_merge_requests_enabled ", withMergeRequestsEnabled)
          );
      }
docs: Get the query params specified by this filter.
  
  @return a GitLabApiForm instance holding the query parameters for this ProjectFilter instance