Add basic cookie utility prototypes

core/http/src/handling/response/cookie_management/cookie_builder.rs

+struct CookieBuilder {}

core/http/src/handling/response/cookie_management/mod.rs

+mod cookie_builder;

core/http/src/handling/response/datatypes.rs

@@ -20,21 +20,21 @@ pub enum SameSite {
 pub struct Cookie<'a> {
     /// Storage for the cookie string. Only used if this structure was derived
     /// from a string that was subsequently parsed.
-    cookie_string: &'a str,
-    name: &'a str,
-    value: &'a str,
+    pub(crate) cookie_string: Option<&'a str>,
+    pub(crate) name: &'a str,
+    pub(crate) value: &'a str,
     // expires: Option<Tm>,
-    max_age: Option<Duration>,
+    pub(crate) max_age: Option<Duration>,
     /// The cookie's domain, if any.
-    domain: Option<&'a str>,
+    pub(crate) domain: Option<&'a str>,
     /// The cookie's path domain, if any.
-    path: Option<&'a str>,
+    pub(crate) path: Option<&'a str>,
     /// Whether this cookie was marked Secure.
-    secure: Option<bool>,
+    pub(crate) secure: Option<bool>,
     /// Whether this cookie was marked HttpOnly.
-    http_only: Option<bool>,
+    pub(crate) http_only: Option<bool>,
     /// The draft `SameSite` attribute.
-    same_site: Option<SameSite>,
+    pub(crate) same_site: Option<SameSite>,
 }
 
 pub struct Response<'a> {

core/http/src/handling/response/mod.rs

-mod cookie;
+mod cookie_management;
 mod datatypes;
 mod response;
 mod status;