/**
 * Base-interface for updates events on a list of data items.
 */
export interface ItemListUpdate<T> {
    /** All items with its latest values, as received by TWS. */
    readonly all: T;
    /** Items that have been added since last [[IBApiNextUpdate]]. */
    readonly added?: T;
    /** Items that have been changed since last [[IBApiNextUpdate]]. */
    readonly changed?: T;
    /** Items that has been removed since last [[IBApiNextUpdate]]. */
    readonly removed?: T;
}