getVariableKeys method

Implementation

Map<String, List<String>> getVariableKeys() {
  checkReady(true);

  final Map<String, List<String>> variableKeys = <String, List<String>>{};

  indexVariables_.forEach((key, value) {
    final List<ExperimentVariables> keyExperimentVariables = value;
    final List<String> values = List.generate(keyExperimentVariables.length,
        (index) => keyExperimentVariables[index].data.name);
    variableKeys[key] = values;
  });
  return variableKeys;
}