import DefaultOptions from './DefaultOptions';
import Font from './Font';
import FontDisplay from './FontDisplay';
export default class Options implements DefaultOptions {
    fonts: Font[];
    formats: string[];
    private readonly formatAgents;
    chunkName: string;
    filename: string;
    fontDisplay: FontDisplay | string;
    encode: boolean;
    cache: boolean;
    file: string;
    stats: boolean;
    private readonly input;
    constructor(input?: DefaultOptions | string, initialize?: boolean);
    get: () => DefaultOptions;
    private getFromFile;
    private getFromPackage;
    private crawl;
    getAgent(format: string): string;
}