Add adds a cookie to the request. Per RFC 6265 section 5.4, AddCookie does not attach more than one Cookie header field. That means all cookies, if any, are written into the same line, separated by semicolon.
AddMultiple adds a list of cookies.
DelAll deletes all the cookies by deleting the Cookie header field.
Jar creates a cookie jar to store HTTP cookies when they are sent down.
Set sets a new cookie field by key and value.
SetMap sets a map of cookies represented by key-value pair.