import Deferred from './Deferred.js';
export default class Font {
    family: string;
    style: string;
    weight: number | string;
    src: string;
    type: string;
    fallbackFamily: string[];
    rootSelector: string;
    selector: string;
    media?: string;
    loaded: Deferred<boolean>;
    constructor(family: string, { src, type, fallbackFamily }: {
        src: string;
        type: string;
        fallbackFamily: string[];
    }, { media, selector }?: {
        media?: string;
        selector?: string;
    }, weight?: string | number, style?: string);
    toJSON(): {
        family: string;
        style: string;
        weight: string | number;
        src: string;
        type: string;
        fallbackFamily: string[];
        rootSelector: string;
        selector: string;
        media: string | undefined;
    };
    load(): Promise<void>;
    getKey(): string;
    getCSSText({ usedFontaine }?: {
        usedFontaine?: boolean | undefined;
    }): string;
    getNoScriptCSSText(): string;
    setRootSelector(rootSelector: {
        name: string;
        value: string;
    }): void;
}