Removed unnecessary abstractions. Replaced named delegates with anonymous ones.
Use pattern matching and avoid multiple casts. Be consistent in the properties
we check.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
prevent them from being serialised alongside the API properties. This will also
be useful for moving the API bindings out of XenModel.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>