code: def _hover_opts(self, element):
      if self.aggregator is np.size:
          dims = [Dimension("Count")]
      else:
          dims = element.vdims
      return dims, {}
  
file_path: holoviews/holoviews/plotting/bokeh/hex_tiles.py
imports: from collections.abc import Callable
  import numpy
  import param
  from bokeh.util.hex import cartesian_to_axial
  from ...core import Dimension, Operation
  from ...core.options import Compositor
  from ...core.util import isfinite, max_range
  from ...element import HexTiles
  from ...util.transform import dim
  from .element import ColorbarPlot
  from .selection import BokehOverlaySelectionDisplay
  from .styles import base_properties, fill_properties, line_properties
label_desc: Use image node_id 2 for calling the HexTilesPlot obj's underlying member method code with example usage: obj._hover_opts(element) and returns: dims,  dict