/**
 * A unique key for an item in an {@link AppContainer}.
 */
export interface ItemKey {
    /**
     * The item's ID.
     */
    id: string;
    /**
     * The item's type.
     */
    type: string;
}
/**
 * Creates a key from an item:// URI.
 *
 * @param itemUri The item URI.
 */
export declare function toItemKey(itemUri: string): ItemKey;
/**
 * Creates a key from a type and ID.
 *
 * @param type The item type.
 * @param id The item ID.
 */
export declare function toItemKey(type: string, id: string): ItemKey;