class_docstr: Context stores model relevant worker information
  Some fixed during load times and some set by the service
code: def get_response_headers(self, idx: int) -> Dict[str, str]:
      return self._request_processor[idx].get_response_headers()
  
imports: from typing import Dict, Optional, Tuple
label_desc: Use image node_id 15 for calling the Context obj's underlying member method code with example usage: obj.get_response_headers(idx) and returns: self