code: def draw_annotation(self, axis, positions, opts):
      if isinstance(positions, np.ndarray):
          values = positions
      else:
          size = len(self.hmap.last.kdims)
          first_keys = list(positions)[:size]
          values = zip(*[positions[n] for n in first_keys])
      fn = getattr(axis, self._methods[self.invert_axes])
      return [fn(*val, **opts) for val in values]
  
imports: import matplotlib
  import numpy
  import pandas
  import param
  from matplotlib import patches
  from matplotlib.lines import Line2D
  from ...core.options import abbreviated_exception
  from ...core.util import match_spec
  from ...element import HLines, HSpans, VLines, VSpans
  from .element import ColorbarPlot, ElementPlot
  from .plot import mpl_rc_context
label_desc: Use image node_id 1 for calling the _SyntheticAnnotationPlot obj's underlying member method code with example usage: obj.draw_annotation(axis, positions, opts) and returns: unknown