# Functions
Append returns a new Pair with the giving key and with the provded Pair set as it's previous link.
FromContext returns a new context object that meets the Context interface.
NewPair returns a a key-value pair chain for setting fields.
NewValueBag returns a new context object that meets the Context interface.
ValueBagFrom adds giving key-value pairs into the bag.
# Type aliases
Fields defines a map of key:value pairs.