class_docstr: SwitchOut.
  :cite:`DBLP:journals/corr/abs-1808-07512`
docstr: Avalilable options relate to this Transform.
docstr_tok: ["Avalilable","options","relate","to","this","Transform","."]
code: def add_options(cls, parser):
      """Avalilable options relate to this Transform."""
      group = parser.add_argument_group("Transform/SwitchOut")
      group.add(
          "-switchout_temperature",
          "--switchout_temperature",
          type=float,
          default=1.0,
          help="Sampling temperature for SwitchOut. :math:`\\tau^{-1}`"
          " in :cite:`DBLP:journals/corr/abs-1808-07512`. "
          "Smaller value makes data more diverse.",
      )
  
imports: import random
  import numpy
  from onmt.constants import DefaultTokens
  from onmt.transforms import register_transform
  from .transform import Transform, ObservableStats
label_desc: Use image node_id 3 for calling the SwitchOutTransform obj's underlying member method code with example usage: obj.add_options(cls, parser) without return types