- contentLength :: (Read i, Integral i) => Http a :-> Maybe i
- connection :: Http a :-> Maybe String
- accept :: Http a :-> Maybe Parameters
- acceptEncoding :: Http a :-> Maybe [String]
- acceptLanguage :: Http a :-> Maybe [String]
- cacheControl :: Http a :-> Maybe String
- keepAlive :: (Read i, Integral i) => Http a :-> Maybe i
- cookie :: Http Request :-> Maybe String
- setCookie :: Http Response :-> Maybe String
- location :: Http a :-> Maybe String
- contentType :: Http a :-> Maybe (String, Maybe String)
- date :: Http a :-> Maybe String
- hostname :: Http a :-> Maybe String
- server :: Http a :-> Maybe String
- userAgent :: Http a :-> Maybe String
- upgrade :: Http a :-> Maybe String
- lastModified :: Http a :-> Maybe Value
- acceptRanges :: Http a :-> Maybe Value
- eTag :: Http a :-> Maybe Value