import { ElementRef, EventEmitter, OnDestroy, TemplateRef } from '@angular/core';
import { TabsetComponent } from './tabset.component';
import * as i0 from "@angular/core";
export declare class TabDirective implements OnDestroy {
    elementRef: ElementRef;
    /** tab header text */
    heading: string;
    /** tab id */
    id: string;
    /** if true tab can not be activated */
    disabled: boolean;
    /** if true tab can be removable, additional button will appear */
    removable: boolean;
    /** if set, will be added to the tab's class atribute */
    customClass: string;
    get active(): boolean;
    set active(active: boolean);
    /** tab active state toggle */
    get _(): boolean;
    /** fired when tab became active, $event:Tab equals to selected instance of Tab component */
    select: EventEmitter<TabDirective>;
    /** fired when tab became inactive, $event:Tab equals to deselected instance of Tab component */
    deselect: EventEmitter<TabDirective>;
    /** fired before tab will be removed, $event:Tab equals to instance of removed tab */
    removed: EventEmitter<TabDirective>;
    addClasn: boolean;
    headingRef: TemplateRef<any>;
    tabset: TabsetComponent;
    protected _active: boolean;
    constructor(tabset: TabsetComponent, elementRef: ElementRef);
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TabDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TabDirective, "hx-tab, [hx-tab]", never, { "heading": "heading"; "id": "id"; "disabled": "disabled"; "removable": "removable"; "customClass": "customClass"; "active": "active"; }, { "select": "select"; "deselect": "deselect"; "removed": "removed"; }, never>;
}