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define(function (require, exports, module) {
    "use strict";

    var Behaviour = function () {
        this.$behaviours = {};
    };

    (function () {

        this.add = function (name, action, callback) {
            switch (undefined) {
                case this.$behaviours:
                    this.$behaviours = {};
                case this.$behaviours[name]:
                    this.$behaviours[name] = {};
            }
            this.$behaviours[name][action] = callback;
        }

        this.addBehaviours = function (behaviours) {
            for (var key in behaviours) {
                for (var action in behaviours[key]) {
                    this.add(key, action, behaviours[key][action]);
                }
            }
        }

        this.remove = function (name) {
            if (this.$behaviours && this.$behaviours[name]) {
                delete this.$behaviours[name];
            }
        }

        this.inherit = function (mode, filter) {
            if (typeof mode === "function") {
                var behaviours = new mode().getBehaviours(filter);
            } else {
                var behaviours = mode.getBehaviours(filter);
            }
            this.addBehaviours(behaviours);
        }

        this.getBehaviours = function (filter) {
            if (!filter) {
                return this.$behaviours;
            } else {
                var ret = {}
                for (var i = 0; i < filter.length; i++) {
                    if (this.$behaviours[filter[i]]) {
                        ret[filter[i]] = this.$behaviours[filter[i]];
                    }
                }
                return ret;
            }
        }

    }).call(Behaviour.prototype);

    exports.Behaviour = Behaviour;
});
