import { APIResource } from "../../core/resource.mjs";
import { APIPromise } from "../../core/api-promise.mjs";
import { RequestOptions } from "../../internal/request-options.mjs";
export declare class Usage extends APIResource {
    /**
     * Get usage statistics for a run.
     */
    retrieve(runID: string, options?: RequestOptions): APIPromise<UsageRetrieveResponse>;
}
export interface UsageRetrieveResponse {
    completion_tokens?: number;
    completion_tokens_details?: UsageRetrieveResponse.CompletionTokensDetails | null;
    prompt_tokens?: number;
    prompt_tokens_details?: UsageRetrieveResponse.PromptTokensDetails | null;
    total_tokens?: number;
}
export declare namespace UsageRetrieveResponse {
    interface CompletionTokensDetails {
        reasoning_tokens?: number | null;
    }
    interface PromptTokensDetails {
        cache_creation_tokens?: number | null;
        cache_read_tokens?: number | null;
        cached_tokens?: number | null;
    }
}
export declare namespace Usage {
    export { type UsageRetrieveResponse as UsageRetrieveResponse };
}
//# sourceMappingURL=usage.d.mts.map