code: def get_acquisition_options(self, item_id, installation_target, test_commerce=None, is_free_or_trial_install=None):
          
          route_values = {}
          if item_id is not None:
              route_values['itemId'] = self._serialize.url('item_id', item_id, 'str')
          query_parameters = {}
          if installation_target is not None:
              query_parameters['installationTarget'] = self._serialize.query('installation_target', installation_target, 'str')
          if test_commerce is not None:
              query_parameters['testCommerce'] = self._serialize.query('test_commerce', test_commerce, 'bool')
          if is_free_or_trial_install is not None:
              query_parameters['isFreeOrTrialInstall'] = self._serialize.query('is_free_or_trial_install', is_free_or_trial_install, 'bool')
          response = self._send(http_method='GET',
                                location_id='9d0a0105-075e-4760-aa15-8bcf54d1bd7d',
                                version='5.1-preview.1',
                                route_values=route_values,
                                query_parameters=query_parameters)
          return self._deserialize('AcquisitionOptions', response)
docs: GetAcquisitionOptions.
          [Preview API]
          :param str item_id:
          :param str installation_target:
          :param bool test_commerce:
          :param bool is_free_or_trial_install:
          :rtype: :class:`<AcquisitionOptions> <azure.devops.v5_1.gallery.models.AcquisitionOptions>`