didDefineProperty (proto, key, value)
Defined in addon/-private/system/relationships/ext.js:102
This Ember.js hook allows an object to be notified when a property is defined. In this case, we use it to be notified when an Ember Data user defines a belongs-to relationship. In that case, we need to set up observers for each one, allowing us to track relationship changes and automatically reflect changes in the inverse has-many array. This hook passes the class being set up, as well as the ke