CompletionUsage
  autogen.oai.oai_models.completion_usage.CompletionUsage #
  Bases: BaseModel
  completion_tokens  instance-attribute  #
  Number of tokens in the generated completion.
  total_tokens  instance-attribute  #
  Total number of tokens used in the request (prompt + completion).
  completion_tokens_details  class-attribute instance-attribute  #
  Breakdown of tokens used in a completion.
  prompt_tokens_details  class-attribute instance-attribute  #
  Breakdown of tokens used in the prompt.