export interface CompletionUsage {
    /** Number of tokens in the generated completion. */
    completion_tokens: number;
    /** Number of tokens in the prompt. */
    prompt_tokens: number;
    /** Total number of tokens used in the request (prompt + completion). */
    total_tokens: number;
    completion_tokens_details?: Record<string, unknown> | undefined;
    prompt_tokens_details?: Record<string, unknown> | undefined;
}