The definition for information related to a key/value pair that is relevant for a particular Milestone or component within the Milestone.
This lets us more flexibly pass up information that's useful to someone, even if it's not necessarily us.
Invocation invocation ) → dynamic
Invoked when a non-existent method or property is accessed.
) → String
Returns a string representation of this object.
dynamic other ) → bool
The equality operator.