import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class TitleDirective {
    private elementRef;
    airTitleCaption: boolean | undefined | '';
    airTitleDeep: boolean | undefined | '' | 'important';
    get deep(): boolean;
    get deepImportant(): boolean;
    get isCaption(): boolean;
    constructor(elementRef: ElementRef<HTMLDivElement>);
    static ɵfac: i0.ɵɵFactoryDeclaration<TitleDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TitleDirective, "[airH1], [airH2], [airH3], [airH4], [airH5], [airFixedH1], [airFixedH2], [airFixedH3], [airFixedH4], [airFixedH5]", never, { "airTitleCaption": "airTitleCaption"; "airTitleDeep": "airTitleDeep"; }, {}, never>;
}