import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
/** @internal */
export declare abstract class LfTokenService {
    abstract getTokensAsync(lfTokenSubject: any): Promise<LfToken[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<LfTokenService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LfTokenService>;
}
/** @internal */
export interface LfToken {
    id: string | number;
    friendlyName: Observable<string>;
    text: string;
}