code: def _proj_label(ssp_fig, browse_backend):
      if browse_backend.name == "matplotlib":
          return [
              lb.get_text() for lb in ssp_fig.mne.proj_checkboxes.labels
          ]
      else:
          return [chkbx.text() for chkbx in ssp_fig.checkboxes]
  
imports: import itertools
  import os
  from copy import deepcopy
  import matplotlib.pyplot
  import numpy
  import pytest
  from matplotlib import backend_bases
  from numpy.testing import assert_allclose
  from mne import Annotations, create_info, pick_types
  from mne._fiff.pick import _DATA_CH_TYPES_ORDER_DEFAULT, _PICK_TYPES_DATA_DICT
  from mne.annotations import _sync_onset
  from mne.datasets import testing
  from mne.io import RawArray
  from mne.utils import _assert_no_instances, _dt_to_stamp, _record_warnings, check_version, get_config, set_config
  from mne.viz import plot_raw, plot_sensors
  from mne.viz.utils import _fake_click, _fake_keypress
label_desc: Use image node_id 4 for calling a global function with example usage: _proj_label(ssp_fig, browse_backend) and returns: unknown, unknown