class_docstr: Adapt msg protocol v5 to v4
class_docstr_tok: ["Adapt","msg","protocol","v5","to","v4"]
docstr: Handle a complete request.
docstr_tok: ["Handle","a","complete","request","."]
code: def complete_request(self, msg: Dict[str, Any]) -> Dict[str, Any]:
      """Handle a complete request."""
      content = msg["content"]
      code = content["code"]
      cursor_pos = content["cursor_pos"]
      line, cursor_pos = code_to_line(code, cursor_pos)
  
      new_content = msg["content"] = {}
      new_content["text"] = ""
      new_content["line"] = line
      new_content["block"] = None
      new_content["cursor_pos"] = cursor_pos
      return msg
  
imports: import json
  import re
  from typing import Any, Dict, List, Tuple
  from ._version import protocol_version_info
label_desc: Use image node_id 5 for calling the V5toV4 obj's underlying member method code with example usage: obj.complete_request(msg) and returns: msg