class_docstr: Handle individual variable logic.
docstr: Get labels, ticks, values, and colors for the variable.
docstr_tok: ["Get","labels",",","ticks",",","values",",","and","colors","for","the","variable","."]
code: def labels_ticks_and_vals(self):
      """Get labels, ticks, values, and colors for the variable."""
      y_ticks = defaultdict(list)
      for y, label, _, _, vals, color in self.iterator():
          y_ticks[label].append((y, vals, color))
      labels, ticks, vals, colors = [], [], [], []
      for label, all_data in y_ticks.items():
          for data in all_data:
              labels.append(label)
              ticks.append(data[0])
              vals.append(np.array(data[1]))
              colors.append(data[2])  # the colors are all the same
      return labels, ticks, vals, colors
  
imports: from collections import OrderedDict, defaultdict
  from itertools import tee
  import matplotlib.pyplot
  import numpy
  from matplotlib.colors import to_rgba
  from matplotlib.lines import Line2D
  from ....stats import hdi
  from ....stats.density_utils import get_bins, histogram, kde
  from ....stats.diagnostics import _ess, _rhat
  from ....sel_utils import xarray_var_iter
  from ....utils import conditional_jit
  from ...plot_utils import _scale_fig_size
  from .None import backend_kwarg_defaults, backend_show
label_desc: Use image node_id 3 for calling the VarHandler obj's underlying member method code with example usage: obj.labels_ticks_and_vals() and returns: labels,  ticks,  vals,  colors