code: def insert_bank_bins_option_group(parser):
      
      bins_group = parser.add_argument_group(
                                   "Options for selecting templates in bins.")
      bins_group.add_argument("--bank-bins", nargs="+", default=None,
                              help="Ordered list of mass bin upper boundaries. "
                                   "An ordered list of type-boundary pairs, "
                                   "applied sequentially. Must provide a name "
                                   "(can be any unique string for tagging "
                                   "purposes), the parameter to bin "
                                   "on, and the membership condition via "
                                   "'lt' / 'gt' operators. "
                                   "Ex. name1:component:lt2 name2:total:lt15")
      bins_group.add_argument("--bank-file", default=None,
                              help="HDF format template bank file.")
      bins_group.add_argument("--f-lower", default=None,
                              help="Low frequency cutoff in Hz.")
      return bins_group
docs: Add options to the optparser object for selecting templates in bins.
  
      Parameters
      -----------
      parser : object
          OptionParser instance.