import Ember from "ember";
                        
                        /**
                         * Base class for array modifier
                         *
                         * @class ArrayModifier.ArrayModifier
                         * @module ember-array-modifier
                         * @submodule ember-array-modifier-types
                         */
                        export default Ember.Object.extend({
                          /**
                           * Type of the array modifier.
                           *
                           * @property type
                           * @type String
                           * @default "basic"
                           * @readonly
                           */
                          type : "basic",
                        
                          /**
                           * Array modifier group type the modifier belongs to.
                           *
                           * @property groupType
                           * @type String
                           * @default "basic"
                           * @readonly
                           */
                          groupType : "basic",
                        
                          /**
                           * Property the modifier applies on.
                           *
                           * @property property
                           * @type String
                           */
                          property : "",
                        
                          /**
                           * Priority to run this modifier
                           *
                           * @property priority
                           * @type Number
                           * @default 1
                           */
                          priority : 1,
                        
                          /**
                           * Set to true if a listener on all objects in the array should be added.
                           *
                           * @property addObserverToAll
                           * @type Boolean
                           * @default true
                           */
                          addObserverToAll : true,
                        
                          /**
                           * Function called when observers are supposed to be added.
                           *
                           * @method addModifierObservers
                           * @param {Class} context Context to add the observer to.
                           * @param {String|Function} method Method to be called when observer is called.
                           */
                          addModifierObservers : function(context, method) {
                            Ember.addObserver(this, "property", context, method);
                          },
                        
                          /**
                           * Function called when observers are supposed to be removed.
                           *
                           * @method removeModifierObservers
                           * @param {Class} context Context to add the observer to.
                           * @param {String|Function} method Method to be called when observer is called.
                           */
                          removeModifierObservers : function(context, method) {
                            Ember.removeObserver(this, "property", context, method);
                          },
                        });