class_docstr: Add Suffix to src (& tgt) sentence.
docstr: Get suffix string of a `corpus`.
docstr_tok: ["Get","suffix","string","of","a","`","corpus","`","."]
code: def _get_suffix(corpus):
      """Get suffix string of a `corpus`."""
      if "suffix" in corpus["transforms"]:
          src_suffix = corpus.get("src_suffix", "")
          tgt_suffix = corpus.get("tgt_suffix", "")
          suffix = {"src": src_suffix, "tgt": tgt_suffix}
      else:
          suffix = None
      return suffix
  
imports: from onmt.utils.logging import logger
  from onmt.transforms import register_transform
  from .transform import Transform, ObservableStats
label_desc: Use image node_id 3 for calling the SuffixTransform obj's underlying member method code with example usage: obj._get_suffix(corpus) and returns: suffix