code: def encode(self, x: str) -> str:
      byte_encoded = byte_encode(x)
      return SPACE.join(self.sp.EncodeAsPieces(byte_encoded))
  
file_path: fairseq/fairseq/data/encoders/byte_bpe.py
imports: from dataclasses import dataclass, field
  from fairseq import file_utils
  from fairseq.data.encoders import register_bpe
  from fairseq.data.encoders.byte_utils import SPACE, SPACE_ESCAPE, byte_encode, smart_byte_decode
  from fairseq.dataclass import FairseqDataclass
label_desc: Use image node_id 2 for calling the ByteBPE obj's underlying member method code with example usage: obj.encode(x) and returns: SPACE