export declare const sortObjectKeys: (obj: Record<string, any>) => Record<string, any>;
export declare const sanitizeLink: (link: string) => string;
export declare const normalizeLink: (link: string) => string;
export declare const userAgentHeader: (value?: string) => {
    headers: {
        'user-agent': string;
    };
} | {
    headers?: undefined;
};
export declare const parseSizes: (value: string) => {
    width: number;
    height: number;
};
export declare const urlResolve: (to: string, from: string) => string;
export declare const getType: (link: string) => string;