code: def _build_selection(self, el, exprs, **kwargs):
      opts = {}
      if exprs[1]:
          mask = exprs[1].apply(el.dataset, expanded=True, flat=True)
          opts["selected"] = list(np.where(mask)[0])
      return el.opts(clone=True, backend="bokeh", **opts)
  
file_path: holoviews/holoviews/plotting/bokeh/selection.py
imports: import numpy
  from ...core.options import Store
  from ...core.overlay import NdOverlay, Overlay
  from ...selection import OverlaySelectionDisplay, SelectionDisplay
label_desc: Use image node_id 1 for calling the TabularSelectionDisplay obj's underlying member method code with example usage: obj._build_selection(el, exprs) and returns: el