import { ChangeDetectorRef, ElementRef, EventEmitter } from "@angular/core";
import * as i0 from "@angular/core";
/** @ignore */
export declare class TabHeadingComponent {
    private changeDetector;
    private elementRef;
    /** This adds 'disabled' class to the host component depending on the 'disabled' @Input to properly style disabled tabs */
    get isDisabled(): boolean;
    /** If true tab can not be activated  */
    disabled: boolean;
    /** Tab active state toggle */
    set active(isActive: boolean);
    get active(): boolean;
    /** Tab id */
    tabId: string;
    /** Event is fired when tab became active, $event:Tab equals to selected instance of Tab component */
    selected: EventEmitter<TabHeadingComponent>;
    protected _active: boolean;
    constructor(changeDetector: ChangeDetectorRef, elementRef: ElementRef);
    selectTab(): void;
    onKeyDown(event: KeyboardEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TabHeadingComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TabHeadingComponent, "nui-tab-heading", never, { "disabled": { "alias": "disabled"; "required": false; }; "active": { "alias": "active"; "required": false; }; "tabId": { "alias": "tabId"; "required": false; }; }, { "selected": "selected"; }, never, ["*"], false, never>;
}
