code: def data_loglog_ci_99(self):
      true_ci = np.array(
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      )
      return 0.99, "log-log", true_ci
  
imports: from os.path import dirname, join
  import numpy
  from numpy.testing import assert_array_almost_equal, assert_array_equal
  import pandas
  import pytest
  from sksurv.nonparametric import CensoringDistributionEstimator, SurvivalFunctionEstimator, kaplan_meier_estimator, nelson_aalen_estimator
  from sksurv.testing import FixtureParameterFactory
  from sksurv.util import Surv
label_desc: Use image node_id 2 for calling the Whas500CIData obj's underlying member method code with example usage: obj.data_loglog_ci_99() and returns: int,  str,  true_ci