import type { HeadFontCollectorDescription } from '../../module.js';
export declare class FontsCollection {
    list: HeadFontCollectorDescription[];
    constructor(list?: HeadFontCollectorDescription[]);
    get size(): number;
    toJSON(): {
        list: {
            fontCollection: {
                list: {
                    family: string;
                    style: string;
                    weight: string | number;
                    src: string;
                    type: string;
                    fallbackFamily: string[];
                    rootSelector: string;
                    selector: string;
                    media: string | undefined;
                }[];
            };
            options: import("../../types/index.js").ModulePublicRuntimeConfig;
            isCritical: boolean;
        }[];
    };
}