code: public Pager<DeployKey> getDeployKeys(int itemsPerPage) throws GitLabApiException {
          return (new Pager<DeployKey>(this, DeployKey.class, itemsPerPage, null, "deploy_keys"));
      }
docs: Get a Pager of all deploy keys across all projects of the GitLab instance. This method requires admin access.
  
  <pre><code>GitLab Endpoint: GET /deploy_keys</code></pre>
  
  @param itemsPerPage the number of DeployKey instances that will be fetched per page
  @return a Pager of DeployKey
  @throws GitLabApiException if any exception occurs