export interface LanguageModelV2ResponseMetadata {
  /**
ID for the generated response, if the provider sends one.
     */
  id?: string;

  /**
Timestamp for the start of the generated response, if the provider sends one.
*/
  timestamp?: Date;

  /**
The ID of the response model that was used to generate the response, if the provider sends one.
*/
  modelId?: string;
}