code: public List<DeployKey> getProjectDeployKeys(Object projectIdOrPath, int page, int perPage) throws GitLabApiException {
          Response response = get(Response.Status.OK, getPageQueryParams(page, perPage),
                  "projects", getProjectIdOrPath(projectIdOrPath), "deploy_keys");
          return (response.readEntity(new GenericType<List<DeployKey>>() {}));
      }
docs: Get a list of the deploy keys for the specified project using the specified page and per page settings.
  This method requires admin access.
  
  <pre><code>GitLab Endpoint: GET /projects/:id/deploy_keys</code></pre>
  
  @param projectIdOrPath the project in the form of an Integer(ID), String(path), or Project instance
  @param page the page to get
  @param perPage the number of deploy keys per page
  @return the list of DeployKey in the specified range
  @throws GitLabApiException if any exception occurs