class_docstr: Add Suffix to src (& tgt) sentence.
docstr: Avalailable options relate to this Transform.
docstr_tok: ["Avalailable","options","relate","to","this","Transform","."]
code: def add_options(cls, parser):
      """Avalailable options relate to this Transform."""
      group = parser.add_argument_group("Transform/Suffix")
      group.add(
          "--src_suffix",
          "-src_suffix",
          type=str,
          default="",
          help="String to append to all source example.",
      )
      group.add(
          "--tgt_suffix",
          "-tgt_suffix",
          type=str,
          default="",
          help="String to append to all target example.",
      )
  
imports: from onmt.utils.logging import logger
  from onmt.transforms import register_transform
  from .transform import Transform, ObservableStats
label_desc: Use image node_id 2 for calling the SuffixTransform obj's underlying member method code with example usage: obj.add_options(cls, parser) without return types