import { ElementsIcon } from '../elements.interfaces';
import { BehaviorSubject } from 'rxjs';
export declare class BbIcon {
    private _registry;
    private _src;
    state$: BehaviorSubject<any>;
    alt: string | null;
    size: number;
    src: string | null;
    ariaHidden: boolean;
    private _ariaHidden;
    constructor(_registry: ElementsIcon[]);
    private convert;
    private findImageIcon;
    private findFontIcon;
    private warn;
}
