/**
 * Constants for the Datalayer Client.
 *
 * @module client/constants
 */
/**
 * Item types used throughout the Client and consuming applications.
 * These constants define the type identifiers for different Datalayer items.
 * Values match what the Datalayer API returns.
 */
export declare const ItemTypes: {
    readonly NOTEBOOK: "notebook";
    readonly LEXICAL: "document";
    readonly EXERCISE: "exercise";
    readonly CELL: "cell";
    readonly SPACE: "space";
    readonly UNKNOWN: "unknown";
};
/**
 * Type representing valid item types.
 */
export type ItemType = (typeof ItemTypes)[keyof typeof ItemTypes];
