PRIVATE
Defined in: packages/ember-metal/lib/properties.js:13
Module: ember-metal
Objects of this type can implement an interface to respond to requests to get and set. The default implementation handles simple properties.
Used internally to allow changing properties in a backwards compatible way, and print a helpful deprecation warning.
© 2017 Yehuda Katz, Tom Dale and Ember.js contributors
Licensed under the MIT License.
http://emberjs.com/api/classes/Descriptor.html