import { ITabItemBuilder } from './tab-item.builder';
/**
 * Represents a builder for tab groups
 */
export declare abstract class ITabsBuilder {
    constructor();
    /**
     * Gets the list of existing items of a tab group
     * @returns Existing menu item names
     */
    get itemNames(): string[];
    /**
     * Gets count of tab group items
     */
    get count(): number;
    /**
     * Adds a new item to the associated tab group
     * @param id Item's internal id
     * @param index The index to put the new item at
     */
    addItem(id: string, index: number): ITabItemBuilder;
    /**
     * Replaces the item for the tab group.
     * If Item does not exist - creates it.
     * @param id Item's internal id
     */
    replaceItem(id: string): ITabItemBuilder;
}