/**
 * Response from a state save/upsert operation.
 *
 * Contains success/error information for a save request.
 * If the save succeeded, the error field is undefined.
 * If the save failed, error contains details about what went wrong.
 *
 * @see {@link https://dapr.io/docs/developing-applications/building-blocks/state-management/ | Dapr State Management}
 *
 * @example
 * ```typescript
 * const response: StateSaveResponseType = await client.state.save("my-store", [{
 *   key: "key-123",
 *   value: { data: "value" }
 * }]);
 *
 * if (response.error) {
 *   console.error("Save failed:", response.error.message);
 * } else {
 *   console.log("Save succeeded");
 * }
 * ```
 */
export type StateSaveResponseType = {
    /**
     * Error encountered during the save operation, if any.
     * Undefined if the save succeeded.
     * When present, contains error details about why the operation failed
     * (e.g., ETag mismatch, store unavailable, etc.).
     */
    error?: Error;
};