import { EventEmitter, OnChanges } from '@angular/core';
export declare class TabItem implements OnChanges {
    /**
     * Sets the tab title.
     */
    title: string;
    /**
     * Set to `true` to activate the tab (display it).
     */
    active: boolean;
    /**
     * Callback when the tab is selected.
     */
    selected: EventEmitter<string>;
    ngOnChanges(): void;
}