code: public Issue getIssue(Object projectIdOrPath, Integer issueIid) throws GitLabApiException {
          Response response = get(Response.Status.OK, getDefaultPerPageParam(),
                  "projects", getProjectIdOrPath(projectIdOrPath), "issues", issueIid);
          return (response.readEntity(Issue.class));
      }
docs: Get a single project issue.
  
  <pre><code>GitLab Endpoint: GET /projects/:id/issues/:issue_iid</code></pre>
  
  @param projectIdOrPath the project in the form of an Integer(ID), String(path), or Project instance
  @param issueIid the internal ID of a project's issue
  @return the specified Issue instance
  @throws GitLabApiException if any exception occurs