interface RequestHeadersAny {
    [header: string]: string;
}
interface RequestHeadersDefined {
    'user-agent'?: string;
    'content-type'?: string;
    'content-length'?: string;
    'authorization'?: string;
    'accept-encoding'?: string;
    'referer'?: string;
}
export declare type RequestHeaders = RequestHeadersAny & RequestHeadersDefined;
export {};