code: def draw_group_labels(self):
          
          for i, label in enumerate(self.groups):
              label_x = self.group_label_coords["x"][i]
              label_y = self.group_label_coords["y"][i]
              label_ha = self.group_label_aligns["has"][i]
              label_va = self.group_label_aligns["vas"][i]
              color = self.group_label_color[i]
              self.ax.text(
                  s=label,
                  x=label_x,
                  y=label_y,
                  ha=label_ha,
                  va=label_va,
                  color=color,
                  fontsize=self.fontsize,
                  family=self.fontfamily,
              )
docs: Renders group labels to the figure.