/**
  * Fetch timetracking settings for the project.
  * Response includes at least an 'enabled' (0 | 1) field.
  * If Enabled == 1, you will also receive a list of enabled fields that can be queried using the project/customField api.
  * @param Entity\Project $project
  * @return mixed
  */
 private function getTimeTrackingSettings(Entity\Project $project)
 {
     $response = $this->browser->get($this->options['uri'] . '/rest/admin/project/' . $project->getName() . '/timetracking', $this->buildHeaders());
     if (!$response->isOk()) {
         throw new Exception\APIException(__METHOD__, $response);
     }
     return json_decode($response->getContent(), true);
 }