code: def write_bytes(writer: asyncio.StreamWriter, b: bytes):
      n = len(b)
      write_int(writer, n)
      writer.write(b)
  
file_path: hail/batch/batch/worker/jvm_entryway_protocol.py
imports: import asyncio
  import logging
  import struct
label_desc: Use image node_id 3 for calling a global function with example usage: write_bytes(writer, b) without return types