code: def decode(self, x: str) -> str:
      return (x + " ").replace(self.bpe_symbol, "").rstrip()
  
file_path: fairseq/fairseq/data/encoders/fastbpe.py
imports: from dataclasses import dataclass, field
  from fairseq import file_utils
  from fairseq.data.encoders import register_bpe
  from fairseq.dataclass import FairseqDataclass
label_desc: Use image node_id 3 for calling the fastBPE obj's underlying member method code with example usage: obj.decode(x) and returns: unknown