docs: public List<ImpersonationToken> getImpersonationTokens(Object userIdOrUsername, ImpersonationState state) throws GitLabApiException {
          GitLabApiForm formData = new GitLabApiForm()
                  .withParam("state", state)
                  .withParam(PER_PAGE_PARAM, getDefaultPerPage());
          Response response = get(Response.Status.OK, formData.asMap(), "users", getUserIdOrUsername(userIdOrUsername), "impersonation_tokens");
          return (response.readEntity(new GenericType<List<ImpersonationToken>>() {}));
      }