import { ComboboxModel } from './combobox.model';
export declare class MultiSelectComboboxModel<T> implements ComboboxModel<T> {
    model: T[];
    containsItem(item: T): boolean;
    select(item: T): void;
    unselect(item: T): void;
    isEmpty(): boolean;
    pop(): T;
    toString(displayField?: string, index?: number): string;
    private addItem;
    private removeItem;
}