ai/src/types/language-model-response-metadata.ts

AI SDK by Vercel - The AI Toolkit for TypeScript and JavaScript

export type LanguageModelResponseMetadata = {
  /**
  ID for the generated response.
     */
  id: string;

  /**
  Timestamp for the start of the generated response.
  */
  timestamp: Date;

  /**
  The ID of the response model that was used to generate the response.
  */
  modelId: string;

  /**
Response headers (available only for providers that use HTTP requests).
     */
  headers?: Record<string, string>;
};